EP1118682A1 - Préparations d'agents de tannage/ retannage - Google Patents
Préparations d'agents de tannage/ retannage Download PDFInfo
- Publication number
- EP1118682A1 EP1118682A1 EP01100041A EP01100041A EP1118682A1 EP 1118682 A1 EP1118682 A1 EP 1118682A1 EP 01100041 A EP01100041 A EP 01100041A EP 01100041 A EP01100041 A EP 01100041A EP 1118682 A1 EP1118682 A1 EP 1118682A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compound
- preparations according
- solid preparations
- tanning
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/08—Chemical tanning by organic agents
- C14C3/18—Chemical tanning by organic agents using polycondensation products or precursors thereof
- C14C3/20—Chemical tanning by organic agents using polycondensation products or precursors thereof sulfonated
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
Definitions
- the invention relates to solid tannin / retanning preparations, a method for their production, their use for tanning and retanning as well as with them tanned and retanned leather and furs.
- Retanning means that Aftertreatment of pre-tanned (generally chrome-tanned) leather to Color, levelness, softness, fullness and behavior against water (hydrophobicity) to optimize and fix tannins.
- pre-tanned generally chrome-tanned
- Tanning, retanning and dyeing in particular are usually carried out in different ways so-called tanning drums using aqueous tanning / retanning solutions or dispersions or dye solutions carried out.
- Most of the tannins and tanning agents used are powdered Solid added to the tanning tanks (fleets), which makes handling easy and minimal storage space guaranteed.
- tanning aids are manufactured, with which the tanning process can be saved path and add operations should be simplified.
- EP-A 849 365 describes a solid agent for the simultaneous retanning and greasing of Leather described, which in addition to ordinary powdered, water-soluble Retanning agents are other normally liquid or waxy, non-aqueous oils and contains fats.
- retanning agents for example the polymeric retanning agents, where 10 to 80% by weight of the monomer units carry one or more C 2 -C 40 -alkyl radicals and this polymer contains 1 to 10 mol / kg acid groups, in particular carboxylic acid and / or carboxylate groups so far, however, mostly added to the aqueous liquors in the form of their aqueous solutions or suspensions. Attempts to obtain equivalent powdered dosage forms by simply drying failed. The products thus obtained often have a bad one Redispersibility or other adverse effects of the solid forms.
- the solid preparations according to the invention are preferably in the form of powder or Granules before.
- Granules are in particular those with an average grain size from 0.5 to 5 mm is preferred.
- the solid preparations according to the invention in the form Their granules are also not dusty and very free-flowing.
- the preparations according to the invention are moreover in a preferred embodiment completely soluble or emulsifiable in water, the solubility or emulsifiability is preferably more than 50 g / l at 20 ° C.
- the preparations according to the invention preferably contain, based on the preparation 25 to 95% by weight at least one compound A), 5 to 50% by weight at least one compound B) and 0 to 50% by weight one or more additives C).
- the preparations according to the invention containing are preferred 30 to 70% by weight at least one compound A), 15 to 40% by weight at least one compound B) and 0 to 40% by weight further additives C), 5 to 20% by weight of a neutralizing agent being preferred as additive C).
- Preferred compounds A) are tannins, in particular solid tannins, which are selected with particular preference from the group of mineral tannins, vegetable tannins, syntans and resin tannins.
- Mineral tanning agents are e.g. Salts of chrome, aluminum or zirconium, but especially compounds of trivalent chromium such as chromium sulfate, basic To name chromium sulfate or chromium acetate.
- Vegetable tanning agents are generally understood to mean tanning agents which are caused by Extraction, drying and optionally post-treatment from various Plants or parts of plants are obtained, e.g. Chestnut, sweet chestnut, Mimosa, Quebracho, Tara, or similar substances, the so-called hydrolyzable or contain condensed tannins (see e.g. Reich, G. Theory and practice of organic Tanning agents, part 1: general principles and natural organic tanning agents, The leather, 1996, 74-83).
- the synthetic organic tannins also called syntans, are mostly through Sulfonation or sulfomethylation solubilized aldehyde condensation products aromatic base, in particular of phenol, cresol, naphthalene and Naphthol, Biaryl, Biarylether and Biarylsulfone.
- Condensates from naphthalenesulfonic acids, phenolsulfonic acid, diphenyl sulfones or sulfonated diaryl ethers with formaldehyde and / or urea.
- Such condensates are known, for example, from Herfeld (editor) "Bibliothek des Leders", vol. 3, pages 53 to 59, Umschau-Verlag 1984 or Reich, G. Theory and Practice of organic tanning agents, part 2: synthetic organic tanning agents, leather, 1996, 157-171 and can refer to the references given there described methods are produced.
- cationic ones are preferred Condensation products of nitrogen-containing compounds, especially urea, dicyanamide or melamine with formaldehyde and their anionic reaction products with compounds such as phenol, sulfonated aromatics or sulfites Roger that.
- the preparations according to the invention contain as compound A) aromatic syntans from the condensation of naphthalenesulfonic acid, Phenolsulfonic acid, bishydroxyphenyl sulfone and / or ditolyl ether sulfonic acids with formaldehyde and / or urea.
- Tanning should be preferred under treatment in water at 20-50 ° C to be understood under conditions and with amounts used as in Craftsman trained specialist for the respective substance groups as typical.
- the subsequent measurement of the shrinkage temperature is carried out according to that in DIN EN 12993 given method.
- Polymeric retanning agents from the class are preferably used as compound B) of polyacrylates or polyaspartic acids, but especially polyaspartic acids.
- Preferred preparations are also those in which the polymeric compound B) is selected from the group of poly (meth) acrylates and poly (meth) acrylate copolymers (B 1) or polyaspartic acids (B 2).
- Particularly preferred compounds from the group of poly (meth) acrylates and poly (meth) acrylate copolymers (B 1) are obtained, for. B. by polymerization of hydrophilic monomers such as (meth) acrylic acid, maleic acid or acrylic acid amides with (C 1 - C 2 ) amine components with 10 - 80 wt .-% of hydrophobic monomers such as alkenes, allyl esters, (meth) acrylic acid esters or acrylic acid amides with Amine constituents, each with a chain length of (C 3 - C 40 ), or by polymerizing monomers such as (meth) acrylic acid, maleic anhydride or (meth) acrylic acid esters with (C 1 - C 2 ) alcohol components and subsequent partial Esterification or transesterification with (C 2 - C 40 ) alcohols.
- hydrophilic monomers such as (meth) acrylic acid, maleic acid or acrylic acid amides with (C 1 - C 2 ) amine components with 10
- Particularly preferred compounds from the group of polyaspartic acids (B 2) are, for. B. the reaction products of polysuccinimide with 0.10 - 0.80 molar equivalents of amines or alcohols (C 2 - C 40 ) and subsequent partial neutralization with inorganic bases such as sodium hydroxide or potassium hydroxide.
- the polymeric compounds B) average molecular weight of less than 100,000, in particular of less 20,000 g / mol.
- the polymeric compounds B) common that they are not used as a solid, water-free preparation can be, because after removal of the solvent z. B. no longer redispersible or are not stable in storage.
- compositions according to the invention can of course also be used in addition Contain additives C).
- Contain additives C there are, for example, neutralizing agents, Dispersants, defoamers, water repellents or dyeing aids in question.
- Alkali salts of aromatic for example, can be used as neutralizing agents Sulphonic acids, weak inorganic acids or mono- or dicarboxylic acids be used.
- the neutralizing agents are preferred in an amount of 5 up to 20 wt .-%, based on the solid preparation, used.
- a very particularly preferred preparation contains e.g. B. 30 - 65 wt .-% of aromatic Syntanen A) in a mixture with 10 - 40 wt .-% of neutralizing and dispersing additives C) and 15-25% by weight of a polymeric retanning agent B) based on polyaspartic acid.
- This preparation is preferably as Granules before.
- Another very particularly preferred preparation contains 40-70% by weight a mixture of trivalent chromium salts, aromatic syntans and Resin tannins as compound A), 15-30% by weight of neutralizing additives C) and 15-40% by weight of a polymeric retanning agent B) from the group the poly (meth) acrylates or the polyaspartic acids. Get the percentages each on the preparation.
- the preparations mentioned are low in dust and free-flowing.
- the present invention also relates to a method for producing the invention Preparations that are characterized by the fact that one can connect A) optionally in a mixture with C) an aqueous solution and / or suspension of B) and, if necessary, during or after the Adding B) dries.
- the compound B) is preferably added a solid form of the compounds A) and optionally C). Especially done the addition by spraying on an aqueous solution or suspension of B) within a mixer.
- the mixture obtained can initially have pasty shapes accept.
- the during or after the addition of the aqueous Solution / suspension of B) subsequent drying is preferably carried out 20 to 200 ° C, especially at 20 to 105 ° C, most preferably at 50 to 100 ° C.
- the method according to the invention is also very particularly preferred, if the addition of the polymeric compound B) in an aqueous solution or aqueous suspension with a solids content of B) of 5 to 60%, in particular 10 to 50% is done.
- the invention further relates to the use of the preparations according to the invention for tanning and retanning pretreated hides or skins in water Fleet.
- it is preferred to use the preparations according to the invention Manufacture leather or fur to use by pre-tanning leather or furs in an aqueous liquor with the preparations according to the invention treated.
- Leather or furs that are produced are therefore also part of the invention have been using the preparations according to the invention as Tanning or retanning agents or those obtainable through the use according to the invention.
- the leathers according to the invention are produced by using a commercial tanning equipment such as tanning drum, mixer or Dosamat pickled pellets with 6-10% by weight of the product according to the invention Tanned 20 to 45 ° C. There are no further addition steps during the tanning process necessary.
- the tanned leather is washed and aftertreated in the usual manner, retanning and greasing are eliminated or significantly reduced Way can be done.
- commercially available wet blue is applied set a pH of about 3.5 and then in an aqueous liquor with 10-15 % By weight of the agent according to the invention retanned.
- the leather treated in this way can are processed further in the customary manner, a subsequent greasing being omitted or can be carried out in a significantly reduced form.
- Naphthalene is sulfonated with 1.4 molar equivalents of H 2 SO 4 at 145 ° C for 2 hours.
- a mixture of 1000 g of the naphthalenesulfonic acids thus obtained, 800 g of bishydroxyphenylsulfone and 250 ml of 37% by weight formaldehyde solution is condensed at 100-120 ° C. for 3 hours.
- the product obtained is adjusted to pH 3.5 and an acid number of 80 with sodium hydroxide solution and phthalic acid and spray-dried.
- shrinking temperatures of the leather obtained of 72-78 ° C. can be achieved.
- Phenol is sulfonated with 0.88 molar equivalents of H 2 SO 4 at 100 - 180 ° C.
- the resulting mixture of phenolsulfonic acid and bishydroxyphenylsulfone is neutralized with sodium hydroxide solution and then condensed with 0.44 molar equivalents of formaldehyde at 100-120 ° C.
- the raw condensate is adjusted to pH 3.7 and an acid number of 80 with glutaric acid and spray-dried.
- shrinking temperatures of the leather of 72 - 80 ° C can be achieved.
- Naphthalene is sulfonated with 1.4 mol of H 2 SO 4 at 145 ° C. for 3 hours, condensed for 3 hours with 0.66 mol of formaldehyde, cooled, adjusted to pH 3.5 and an acid number of 50 with sodium hydroxide solution and glutaric acid and spray-dried.
- leather shrinking temperatures of 68 - 72 ° C can be achieved.
- Synthetic tanning agent A IV is a synthetic tanning agent A IV:
- Liquid, polymeric retanning agent B I Liquid, polymeric retanning agent B I:
- a solution of 1000 g maleic anhydride, 800 g diethylene glycol and 800 g ammonia solution (25%) is condensed in 4 hours at an increasing temperature of 60 - 145 ° C and then volatile components are distilled off. It is reacted with 700 g of hydrogenated tallow fatty amine for 6 hours, cooled to 110 ° C. and mixed with 170 g of oleic acid and 10 g of a silicone-containing defoamer.
- the hot reaction product is dispersed in 3 liters of a 2.5% by weight ethanolamine solution, neutralized with sodium hydroxide solution and bleached with hydrogen peroxide. (see DE-A 19 959 949, component B 2 (PAS 1)).
- Liquid, polymeric retanning agent B II Liquid, polymeric retanning agent B II:
- Liquid, polymeric retanning agent B III Liquid, polymeric retanning agent B III:
- naphthalene 1000 g is sulfonated at 140-145 ° C. with 3 molar equivalents of H 2 SO 4 for 8 hours, adjusted to pH 7 with sodium hydroxide solution and the crude product mixture is spray-dried.
- 35 parts of Cr 2 (SO 4 ) 3 , 15 parts of synthetic tanning agent AI, 15 parts of synthetic tanning agent A IV, 20 parts of additive C II, 10 parts of Na 2 CO 3 and 5 parts of NaHCO 2 are mixed homogeneously at room temperature.
- 40 parts of polymeric retanning agent B III are then added in a mixed agglomeration apparatus at 90 ° C. A green, free-flowing granulate is obtained which is completely soluble in water at room temperature.
- Tl mean parts by weight.
- T1 synthetic tanning agent AI 10 Tl synthetic tanning agent A III, 20 Tl synthetic tanning agent A IV, 40 Tl additive C II and 10 Tl NaHCO 3 are mixed homogeneously at room temperature.
- 50 parts of polymeric tanning agent B II are continuously added at 60 ° C. in a mixed agglomeration apparatus.
- a free-flowing, storage-stable granulate is obtained which is soluble in water at room temperature without residue.
- Skin (beef, split thickness 2.5 mm) is decalcified, stained and in the usual way with a pimple made of 6% table salt, 0.5% formic acid and 1.0% sulfuric acid adjusted to pH 2.8. At room temperature, 9% of a product is added Example 11 and tanned for 2 hours at room temperature. Then the skin Moved overnight every 60 min for 5 min and the temperature slowly to 45 ° C raised. The fleet is drained, the leather washed, and to normal business Retanned, dyed, greased and finished.
- the leather obtained is softer and softer than commercially available comparison products has better scar strength, the coloring is more level.
- Wet Blue (beef, gap thickness 1.1 mm) is in the barrel at 35 ° C in 100% liquor with 7% of a product according to Example 12 moved for 2 hours. You wash, grease 50 ° C in 100% liquor with 7% of a commercially available synthetic fat, fixed by adding 2% formic acid a little at a time and switching to normal operating conditions Way done.
- Wet blue (beef, fold thickness 1.5 mm) is treated in the barrel by treatment with oxalic acid 200% liquor adjusted to pH 3.5 and the liquor drained. Then you give at 40 ° C 150% water and 12% of an agent according to Example 15. After 60 min. 1% dye is added and dyed at 50 ° C for 90 min. You fixate through portionwise addition of formic acid, drains the liquor, washes, and sets that leather finished in the usual way.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10002048A DE10002048A1 (de) | 2000-01-19 | 2000-01-19 | Gerbstoff-/Nachgerbstoffpräparationen |
DE10002048 | 2000-01-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1118682A1 true EP1118682A1 (fr) | 2001-07-25 |
EP1118682B1 EP1118682B1 (fr) | 2003-12-17 |
Family
ID=7627970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01100041A Expired - Lifetime EP1118682B1 (fr) | 2000-01-19 | 2001-01-08 | Préparations d'agents de tannage/ retannage |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1118682B1 (fr) |
CN (1) | CN1230558C (fr) |
AR (1) | AR027515A1 (fr) |
AT (1) | ATE256754T1 (fr) |
BR (1) | BR0100104B1 (fr) |
DE (2) | DE10002048A1 (fr) |
ES (1) | ES2210038T3 (fr) |
MX (1) | MXPA01000660A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007003264A2 (fr) * | 2005-07-02 | 2007-01-11 | Lanxess Deutschland Gmbh | Derives d'acide polyaspartique dans des produits de revetement contenant du polysiloxane |
CN105586444A (zh) * | 2016-01-06 | 2016-05-18 | 四川大学 | 一种用酚磺酸水解制革废弃物制备的皮革复鞣填充剂 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114736998B (zh) * | 2022-04-12 | 2023-10-20 | 浙江通天星集团股份有限公司 | 一种低气味低voc牛皮沙发革的生产工艺 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4526581A (en) * | 1983-02-07 | 1985-07-02 | Rohm And Haas Company | Process for producing leather |
DE3931978A1 (de) * | 1988-09-28 | 1990-03-29 | Ciba Geigy Ag | Lederbehandlungsmittel |
US5342916A (en) * | 1991-06-01 | 1994-08-30 | Basf Aktiengesellschaft | Condensation polymers of sulfonated phenols, urea, other organic nitrogen-bases, and formaldehyde, and their use as tanning agents and as spraying aids for redispersible polymer powders |
-
2000
- 2000-01-19 DE DE10002048A patent/DE10002048A1/de not_active Withdrawn
-
2001
- 2001-01-08 AT AT01100041T patent/ATE256754T1/de not_active IP Right Cessation
- 2001-01-08 ES ES01100041T patent/ES2210038T3/es not_active Expired - Lifetime
- 2001-01-08 EP EP01100041A patent/EP1118682B1/fr not_active Expired - Lifetime
- 2001-01-08 DE DE50101155T patent/DE50101155D1/de not_active Expired - Fee Related
- 2001-01-15 AR ARP010100171A patent/AR027515A1/es active IP Right Grant
- 2001-01-18 BR BRPI0100104-3A patent/BR0100104B1/pt not_active IP Right Cessation
- 2001-01-18 CN CNB011016876A patent/CN1230558C/zh not_active Expired - Fee Related
- 2001-01-18 MX MXPA01000660A patent/MXPA01000660A/es not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4526581A (en) * | 1983-02-07 | 1985-07-02 | Rohm And Haas Company | Process for producing leather |
DE3931978A1 (de) * | 1988-09-28 | 1990-03-29 | Ciba Geigy Ag | Lederbehandlungsmittel |
US5342916A (en) * | 1991-06-01 | 1994-08-30 | Basf Aktiengesellschaft | Condensation polymers of sulfonated phenols, urea, other organic nitrogen-bases, and formaldehyde, and their use as tanning agents and as spraying aids for redispersible polymer powders |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007003264A2 (fr) * | 2005-07-02 | 2007-01-11 | Lanxess Deutschland Gmbh | Derives d'acide polyaspartique dans des produits de revetement contenant du polysiloxane |
WO2007003264A3 (fr) * | 2005-07-02 | 2007-06-07 | Lanxess Deutschland Gmbh | Derives d'acide polyaspartique dans des produits de revetement contenant du polysiloxane |
CN105586444A (zh) * | 2016-01-06 | 2016-05-18 | 四川大学 | 一种用酚磺酸水解制革废弃物制备的皮革复鞣填充剂 |
Also Published As
Publication number | Publication date |
---|---|
ATE256754T1 (de) | 2004-01-15 |
CN1306093A (zh) | 2001-08-01 |
DE50101155D1 (de) | 2004-01-29 |
EP1118682B1 (fr) | 2003-12-17 |
DE10002048A1 (de) | 2001-07-26 |
ES2210038T3 (es) | 2004-07-01 |
CN1230558C (zh) | 2005-12-07 |
BR0100104B1 (pt) | 2012-01-10 |
BR0100104A (pt) | 2001-08-28 |
MXPA01000660A (es) | 2002-08-06 |
AR027515A1 (es) | 2003-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0849365B1 (fr) | Agent pour la préparation du cuir | |
DE3013912C2 (fr) | ||
EP0648846B1 (fr) | Matières de retannage adoucissantes et hydrophobes | |
WO2007006718A1 (fr) | Procede de fabrication de cuir | |
DE4118007A1 (de) | Kondensationsprodukte aus sulfonierten phenolen, harnstoff, weiteren organischen stickstoff-basen und formaldehyd und ihre verwendung als gerbstoffe und als spruehhilfsmittel fuer redispergierbare polymerpulver | |
EP1693393B1 (fr) | Produits de condensation contenant des groupes acides | |
WO2013023979A1 (fr) | Procédé pour teinter des substrats à base de fibres de collagène | |
DE102004050284A1 (de) | Isocyanat-basierende Gerbstoffe | |
EP1873176A1 (fr) | Produits de condensation dialdéhydes contenant des groupes acides | |
EP1118682B1 (fr) | Préparations d'agents de tannage/ retannage | |
EP0711842B1 (fr) | Agents de tannage de peaux et actuateur pour colorants | |
DE10140551A1 (de) | Verfahren zur Herstellung sulfonhaltiger Gerbstoffe | |
EP0347373B1 (fr) | Solutions aqueuses de tannins synthétiques | |
EP1416058A1 (fr) | Produits de condensation pour le retannage de cuir tanné au fer | |
DE3031187A1 (de) | Behandlung von leder mit hydrophilen acrylatharzen | |
EP1568788A2 (fr) | Acides sulphoniques aromatiques, leur procédé de préparation, leurs produits de condensation d'aldéhyde et leur utilisation dans le domaine du cuir, du papier et des textiles. | |
DE4404904A1 (de) | Nachgerbeverfahren | |
EP3390673B1 (fr) | Procede destine a la fabrication de semi-produits en cuir ou en fourrure | |
DE19746445A1 (de) | Mittel zur Herstellung von Leder | |
EP0212102B1 (fr) | Procédé pour teindre le cuir utilisant des polymères cationiques solubles dans l'eau | |
EP0158077A1 (fr) | Procédé de retannage de cuir tanné au minéral | |
WO2005017210A1 (fr) | Application superficielle de polymeres cationiques ou amphoteres sur des produits en cuir semi-finis | |
CH676012A5 (fr) | ||
DE19653549A1 (de) | Mittel zur Herstellung von Leder | |
DE3248484A1 (de) | Verfahren zur gewinnung neutral gestellter, carboxylgruppenhaltiger polymerisate nach alkalischer hydrolyse |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
17P | Request for examination filed |
Effective date: 20020125 |
|
AKX | Designation fees paid |
Free format text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20031217 Ref country code: IE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20031217 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20031217 Ref country code: FR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20031217 Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20031217 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP Ref country code: CH Ref legal event code: NV Representative=s name: E. BLUM & CO. PATENTANWAELTE |
|
RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: BAYER CHEMICALS AG |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040108 Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040108 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: GERMAN |
|
REF | Corresponds to: |
Ref document number: 50101155 Country of ref document: DE Date of ref document: 20040129 Kind code of ref document: P |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040131 Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040131 |
|
NLT2 | Nl: modifications (of names), taken from the european patent patent bulletin |
Owner name: BAYER CHEMICALS AG |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040317 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040317 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040317 |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 20040407 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2210038 Country of ref document: ES Kind code of ref document: T3 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D |
|
BERE | Be: lapsed |
Owner name: BAYER A.G. Effective date: 20040131 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20040920 |
|
EN | Fr: translation not filed | ||
REG | Reference to a national code |
Ref country code: GB Ref legal event code: 732E |
|
NLS | Nl: assignments of ep-patents |
Owner name: LANXESS DEUTSCHLAND GMBH Effective date: 20070305 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PUE Owner name: LANXESS DEUTSCHLAND GMBH Free format text: BAYER CHEMICALS AG# #51368 LEVERKUSEN (DE) -TRANSFER TO- LANXESS DEUTSCHLAND GMBH# #51369 LEVERKUSEN (DE) |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040517 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20080116 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20080104 Year of fee payment: 8 Ref country code: GB Payment date: 20080102 Year of fee payment: 8 Ref country code: NL Payment date: 20080103 Year of fee payment: 8 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20090108 |
|
NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee |
Effective date: 20090801 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090131 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090131 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090801 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090801 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090108 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20120111 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20120213 Year of fee payment: 12 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20130108 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20140716 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20130109 |