NL174942C - METHOD FOR PREPARING 4-PIPERIDINOL DERIVATIVES, AND METHOD FOR STABILIZING ORGANIC MATERIAL AGAINST DEGRADATION BY THE ACTION OF LIGHT AND / OR HEAT. - Google Patents
METHOD FOR PREPARING 4-PIPERIDINOL DERIVATIVES, AND METHOD FOR STABILIZING ORGANIC MATERIAL AGAINST DEGRADATION BY THE ACTION OF LIGHT AND / OR HEAT.Info
- Publication number
- NL174942C NL174942C NLAANVRAGE7216278,A NL7216278A NL174942C NL 174942 C NL174942 C NL 174942C NL 7216278 A NL7216278 A NL 7216278A NL 174942 C NL174942 C NL 174942C
- Authority
- NL
- Netherlands
- Prior art keywords
- preparing
- action
- heat
- light
- organic material
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
- C08K5/3435—Piperidines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D211/40—Oxygen atoms
- C07D211/44—Oxygen atoms attached in position 4
- C07D211/46—Oxygen atoms attached in position 4 having a hydrogen atom as the second substituent in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic System
- C07F5/02—Boron compounds
- C07F5/04—Esters of boric acids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
- C09K15/04—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
- C09K15/30—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing heterocyclic ring with at least one nitrogen atom as ring member
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Hydrogenated Pyridines (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Anti-Oxidant Or Stabilizer Compositions (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5548771 | 1971-11-30 | ||
GB2845872*[A GB1399239A (en) | 1971-11-30 | 1972-06-17 | Piperidine derivatives |
GB3547372 | 1972-07-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7216278A NL7216278A (en) | 1973-06-04 |
NL174942B NL174942B (en) | 1984-04-02 |
NL174942C true NL174942C (en) | 1984-09-03 |
Family
ID=27258723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7216278,A NL174942C (en) | 1971-11-30 | 1972-11-30 | METHOD FOR PREPARING 4-PIPERIDINOL DERIVATIVES, AND METHOD FOR STABILIZING ORGANIC MATERIAL AGAINST DEGRADATION BY THE ACTION OF LIGHT AND / OR HEAT. |
Country Status (21)
Country | Link |
---|---|
US (2) | USRE31342E (en) |
JP (1) | JPS5920709B2 (en) |
AT (1) | AT324009B (en) |
BE (1) | BE792043A (en) |
CA (1) | CA997767A (en) |
CH (2) | CH586252A5 (en) |
CS (1) | CS190377B2 (en) |
DD (1) | DD106190A5 (en) |
DE (2) | DE2258752A1 (en) |
ES (1) | ES409079A1 (en) |
FR (3) | FR2182789B1 (en) |
GB (1) | GB1399239A (en) |
HK (1) | HK47877A (en) |
HU (1) | HU167244B (en) |
IL (1) | IL40888A (en) |
IT (1) | IT971346B (en) |
MY (1) | MY7800025A (en) |
NL (1) | NL174942C (en) |
RO (2) | RO71050A (en) |
SE (1) | SE454277B (en) |
SU (1) | SU584795A3 (en) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1402888A (en) * | 1972-10-21 | 1975-08-13 | Ciba Geigy Ag | Piperidine derivatives |
CH589056A5 (en) * | 1973-12-10 | 1977-06-30 | Ciba Geigy Ag | |
JPS51132242A (en) * | 1975-03-22 | 1976-11-17 | Adeka Argus Chem Co Ltd | Light stabilising composition for synthetic resin |
DE2627688A1 (en) * | 1975-06-30 | 1977-01-27 | Ciba Geigy Ag | DISABLED PIPERIDINE CARBONIC ACIDS, METAL SALTS THEREOF AND THEREFORE STABILIZED POLYMERS |
DE2718458A1 (en) * | 1976-05-04 | 1977-11-24 | Ciba Geigy Ag | NEW STABILIZERS |
DE2805838A1 (en) * | 1977-02-24 | 1978-08-31 | Ciba Geigy Ag | NEW 4-ACYLOXYPIPERIDINE |
JPS5469162A (en) * | 1977-11-15 | 1979-06-02 | Dainichi Seika Kogyo Kk | Stabilized urethane polymer |
DE2861955D1 (en) * | 1977-12-02 | 1982-09-02 | Ciba Geigy Ag | Malonic acid derivatives of sterically hindered piperidines, process for their preparation and stabilised organic matter |
JPS559064A (en) * | 1978-07-03 | 1980-01-22 | Sankyo Co Ltd | Novel stabilizer |
DE2966294D1 (en) * | 1978-07-25 | 1983-11-17 | Ici Plc | Polyolefin articles sterilisable by gamma-irradiation |
US4311820A (en) * | 1979-02-14 | 1982-01-19 | Ciba-Geigy Corporation | Homopolymers and copolymers of vinyl ethers of polyalkylpiperidinols and their use as stabilizers for plastics |
IT7928324A0 (en) * | 1979-12-21 | 1979-12-21 | Chimosa Chimica Organica Spa | PIPERIDINE DERIVATIVES, STABILIZERS FOR SYNTHETIC POLYMERS. |
DE3201415A1 (en) * | 1981-01-28 | 1982-08-26 | Sandoz-Patent-GmbH, 7850 Lörrach | 4-Aminomethylpolyalkylpiperidines |
CS229069B1 (en) | 1981-09-23 | 1984-05-14 | Julius Durmis | Composition for stabilizing polymers and method of preparing same |
JPS58113236A (en) * | 1981-12-28 | 1983-07-06 | Tounen Sekiyu Kagaku Kk | Polyolefin composition |
US4590268A (en) * | 1982-05-10 | 1986-05-20 | Ciba-Geigy Corporation | Process for the preparation of 1-diorganocarbamoyl-polyalkylpiperidines |
US4569997A (en) * | 1982-08-10 | 1986-02-11 | Ciba Geigy Corporation | Polyalkylpiperidine compounds |
DE3312611A1 (en) * | 1983-04-08 | 1984-10-11 | Röhm GmbH, 6100 Darmstadt | METHOD FOR PRODUCING UV-PROTECTED MULTILAYERED PLASTIC MOLDED BODIES |
DE3345376A1 (en) * | 1983-12-15 | 1985-06-27 | Basf Ag, 6700 Ludwigshafen | FURAN-3-CARBONSAEUR DERIVATIVES |
DE3522678A1 (en) * | 1985-06-25 | 1987-01-08 | Basf Ag | TETRAHYDROFURANCARBONSAEUR DERIVATIVES |
JPS6248745A (en) * | 1985-08-28 | 1987-03-03 | Mitsubishi Petrochem Co Ltd | Polyolefin composition |
IT1189095B (en) * | 1986-05-02 | 1988-01-28 | Enichem Sintesi | PROCEDURE FOR THE SYNTHESIS OF ALLILATED DERIVATIVES OF 2,2,6,6-TETRALKYLPIPERIDINOLS |
IT1191804B (en) * | 1986-06-11 | 1988-03-23 | Enichem Sintesi | PROCEDURE FOR THE PREPARATION OF N-ALYL-PIPERIDINE DERIVATIVES |
DE3724222A1 (en) * | 1987-07-22 | 1989-02-02 | Huels Chemische Werke Ag | LIGHT STABILIZERS |
IT1222647B (en) * | 1987-09-11 | 1990-09-05 | Eniricerche Spa | AMERICAN COMPOUNDS STERICALLY PREVENTED AND PROCEDURE FOR THEIR PREPARATION |
DE3735577A1 (en) | 1987-10-21 | 1989-05-03 | Basf Ag | MIXTURE FOR STABILIZING POLYURETHANES |
EP0344114B1 (en) * | 1988-05-27 | 1994-04-06 | Ciba-Geigy Ag | Unsaturated derivatives of 2,2,6,6-tetramethyl piperidine |
ES2050274T3 (en) * | 1988-06-14 | 1994-05-16 | Ciba Geigy Ag | PROCEDURE FOR THE PHOTOCHEMICAL STABILIZATION OF UNDYED AND DYED POLYPROPYLENE FIBERS. |
US4927898A (en) * | 1988-09-06 | 1990-05-22 | Union Carbide Chemicals And Plastics Company Inc. | Polysiloxanes with sterically hindered heterocyclic moiety |
DE3844356A1 (en) * | 1988-12-30 | 1990-07-05 | Basf Ag | 4- (2'-ETHYLHEXANOYLOXY) -2,2,6,6-TETRAMETHYL PIPERIDINE |
GB9023023D0 (en) * | 1990-10-23 | 1990-12-05 | Barlow Richard B | Pharmaceutical compositions |
US5180830A (en) * | 1991-04-24 | 1993-01-19 | Himont Incorporated | Process for preparing hindered amine light stabilizers |
NL9101619A (en) * | 1991-09-25 | 1993-04-16 | Harcros Chemicals Bv | STABILIZERS FOR ORGANIC MATERIALS. |
US5169949A (en) * | 1991-09-30 | 1992-12-08 | Himont Incorporated | Monomeric hindered amine esters of monocarboxylic resin acid having 20 carbon atoms |
JP2000501062A (en) * | 1995-10-12 | 2000-02-02 | チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド | Thermostable sterically hindered amines as stabilizers |
EP1184442A1 (en) * | 2000-08-30 | 2002-03-06 | Clariant International Ltd. | Liquid crystal mixture |
US6492521B2 (en) | 2000-11-03 | 2002-12-10 | Cytec Technology Corp. | Hindered amine light stabilizers based on multi-functional carbonyl compounds and methods of making same |
US6727300B2 (en) | 2000-11-03 | 2004-04-27 | Cytec Technology Corp. | Polymeric articles containing hindered amine light stabilizers based on multi-functional carbonyl compounds |
US6545156B1 (en) * | 2000-11-03 | 2003-04-08 | Cytec Technology Corp. | Oligomeric hindered amine light stabilizers based on multi-functional carbonyl compounds and methods of making same |
US6414155B1 (en) | 2000-11-03 | 2002-07-02 | Cytec Technology Corp. | Oligomeric hindered amine light stabilizers based on multi-functional carbonyl compounds and methods of making same |
US6525131B1 (en) | 2001-09-18 | 2003-02-25 | Crompton Corporation | Aromatic diamine polyurethane curatives with improved stability |
EP1444222A1 (en) * | 2001-10-23 | 2004-08-11 | Council Of Scientific And Industrial Research | Tinuvin p-hindred amine light stabilizer and derivatives thereof, and a process for the preparation thereof |
US6492518B1 (en) | 2001-10-30 | 2002-12-10 | Council Of Scientific And Industrial Research | Tinuvin P-hindred amine light stabilizer and derivatives thereof |
JP5283153B2 (en) | 2007-10-25 | 2013-09-04 | 株式会社Adeka | Synthetic resin composition and automotive interior / exterior material |
KR101602750B1 (en) | 2008-03-10 | 2016-03-11 | 가부시키가이샤 아데카 | Synthetic resin composition, and automotive interior/exterior material comprising the same |
JP5656213B2 (en) * | 2010-01-19 | 2015-01-21 | 日本化薬株式会社 | Carboxylic acid composition and curable resin composition containing the carboxylic acid composition |
US9969864B2 (en) * | 2013-07-08 | 2018-05-15 | Basf Se | Light stabilizers |
DE102013012622A1 (en) * | 2013-07-30 | 2015-02-05 | Clariant lnternational Ltd | New sterically hindered cyclic amines |
WO2015177193A1 (en) * | 2014-05-21 | 2015-11-26 | Solvay Specialty Polymers Usa, Llc | Stabilizer compounds |
DE102015000124A1 (en) * | 2015-01-07 | 2016-07-07 | Clariant International Ltd. | Process for the stabilization of polyamides |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2746964A (en) * | 1953-11-02 | 1956-05-22 | Lakeside Lab Inc | Dicarboxylic acid esters of nu-alkyl-3-hydroxypiperidine and salts thereof |
US3120540A (en) * | 1961-09-25 | 1964-02-04 | Warner Lambert Pharmaccutical | Bis (polymethyl)-4-piperidinol alkanoates |
US3640928A (en) * | 1968-06-12 | 1972-02-08 | Sankyo Co | Stabilization of synthetic polymers |
US3705166A (en) * | 1969-08-15 | 1972-12-05 | Sankyo Co | Acrylic acid derivatives of 2,2,6,6-tetramethylpiperidines |
NL154241C (en) * | 1971-01-29 | 1900-01-01 | ||
US4021432A (en) * | 1971-11-30 | 1977-05-03 | Ciba-Geigy Corporation | Piperidine derivatives |
US4049647A (en) * | 1971-11-30 | 1977-09-20 | Ciba-Geigy Corporation | Bis piperidyl carboxylates |
-
0
- BE BE792043D patent/BE792043A/en not_active IP Right Cessation
-
1972
- 1972-06-17 GB GB2845872*[A patent/GB1399239A/en not_active Expired
- 1972-11-21 SE SE7215112A patent/SE454277B/en unknown
- 1972-11-21 IL IL40888A patent/IL40888A/en unknown
- 1972-11-28 CH CH1729872A patent/CH586252A5/xx not_active IP Right Cessation
- 1972-11-28 CH CH263676A patent/CH585714A5/xx not_active IP Right Cessation
- 1972-11-29 CA CA157,753A patent/CA997767A/en not_active Expired
- 1972-11-29 RO RO7283383A patent/RO71050A/en unknown
- 1972-11-29 HU HUCI1307A patent/HU167244B/hu unknown
- 1972-11-29 RO RO7283993A patent/RO64573A/en unknown
- 1972-11-29 ES ES409079A patent/ES409079A1/en not_active Expired
- 1972-11-29 IT IT32252/72A patent/IT971346B/en active
- 1972-11-29 CS CS728130A patent/CS190377B2/en unknown
- 1972-11-29 SU SU7201851503A patent/SU584795A3/en active
- 1972-11-29 FR FR7242421A patent/FR2182789B1/fr not_active Expired
- 1972-11-30 DD DD167212A patent/DD106190A5/xx unknown
- 1972-11-30 NL NLAANVRAGE7216278,A patent/NL174942C/en not_active IP Right Cessation
- 1972-11-30 DE DE19722258752D patent/DE2258752A1/en active Granted
- 1972-11-30 AT AT1019972A patent/AT324009B/en not_active IP Right Cessation
- 1972-11-30 DE DE2258752A patent/DE2258752C2/de not_active Expired
- 1972-11-30 JP JP47121099A patent/JPS5920709B2/en not_active Expired
-
1973
- 1973-05-16 FR FR7318100A patent/FR2183294B1/fr not_active Expired
- 1973-05-16 FR FR7318099A patent/FR2183293B1/fr not_active Expired
-
1977
- 1977-09-15 HK HK478/77A patent/HK47877A/en unknown
-
1978
- 1978-09-01 US US05/938,974 patent/USRE31342E/en not_active Expired - Lifetime
- 1978-09-01 US US05/938,849 patent/USRE31343E/en not_active Expired - Lifetime
- 1978-12-31 MY MY197825A patent/MY7800025A/en unknown
Also Published As
Publication number | Publication date |
---|---|
MY7800025A (en) | 1978-12-31 |
NL174942B (en) | 1984-04-02 |
HU167244B (en) | 1975-09-27 |
DD106190A5 (en) | 1974-06-05 |
ES409079A1 (en) | 1976-04-16 |
CH586252A5 (en) | 1977-03-31 |
HK47877A (en) | 1977-09-23 |
IL40888A (en) | 1976-10-31 |
RO64573A (en) | 1979-08-15 |
FR2182789B1 (en) | 1976-01-30 |
FR2183293B1 (en) | 1977-07-29 |
JPS4865180A (en) | 1973-09-08 |
FR2183294A1 (en) | 1973-12-14 |
IL40888A0 (en) | 1973-01-30 |
RO71050A (en) | 1981-09-24 |
FR2182789A1 (en) | 1973-12-14 |
SE454277B (en) | 1988-04-18 |
NL7216278A (en) | 1973-06-04 |
JPS5920709B2 (en) | 1984-05-15 |
AT324009B (en) | 1975-08-11 |
CH585714A5 (en) | 1977-03-15 |
CS190377B2 (en) | 1979-05-31 |
IT971346B (en) | 1974-04-30 |
USRE31343E (en) | 1983-08-09 |
USRE31342E (en) | 1983-08-09 |
FR2183293A1 (en) | 1973-12-14 |
BE792043A (en) | 1973-05-29 |
SU584795A3 (en) | 1977-12-15 |
FR2183294B1 (en) | 1978-05-26 |
DE2258752C2 (en) | 1989-10-26 |
GB1399239A (en) | 1975-06-25 |
CA997767A (en) | 1976-09-28 |
DE2258752A1 (en) | 1973-06-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL174942C (en) | METHOD FOR PREPARING 4-PIPERIDINOL DERIVATIVES, AND METHOD FOR STABILIZING ORGANIC MATERIAL AGAINST DEGRADATION BY THE ACTION OF LIGHT AND / OR HEAT. | |
NL149205B (en) | PROCEDURE FOR STABILIZING A SYNTHETIC POLYMER AGAINST DECISION BY LIGHT AND / OR HEAT AS WELL AS A PRODUCTION FORMED FROM A SYNTHETIC POLYMER SO STABILIZED. | |
NL162088C (en) | PROCESS FOR PREPARING COMPOSITIONS CONTAINING IRON-POLYMERIZABLE COMPOUNDS OR MIXTURES THEREOF BY IRRADIATION WITH ULTRAVIOLET LIGHT | |
NL163157C (en) | DEVICE FOR MANUFACTURING ARTIFICIAL WOOD BY EXTRUSION. | |
NL7316075A (en) | ETHYNYLBENZENE COMPOUNDS AND DERIVATIVES AND PROCEDURE FOR PREPARING THEM. | |
NL171447C (en) | METHOD FOR PREPARING SUBSTITUTED HETEROCYCLIC COMPOUNDS AND METHOD FOR STABILIZING ORGANIC PRODUCTS THEREOF | |
NL177322C (en) | PROCESS FOR PREPARING LIGHT-DETACHABLE POLYALKENES | |
NL164052C (en) | PROCESS FOR PREPARING STYRENE-ACRYLONITRILE-COPOLYMERS BY SUSPENSION POLYMERIZATION. | |
NL183937C (en) | PROCESS FOR PREPARING OCTATRIES (1,4,6) BY SELECTIVELY ISOMERIZING OCTATRIES (1,3,7). | |
NL170137C (en) | METHOD FOR PREPARING POLYFLUORATE DERIVATIVES, AND METHOD FOR PREPARING VISCOUS MIXTURES USING SUCH COMPOUNDS | |
NL171122C (en) | METHOD FOR PREPARING AN INJECTABLE MALTOSE SOLUTION | |
NL143462B (en) | PROCESS FOR MANUFACTURE OF FOOTWEAR, AND BY APPLICATION OF THIS PROCEDURE MANUFACTURED FOOTWEAR. | |
NL170747B (en) | METHOD FOR PREPARING THE COMPOUND WITH FORMULA SHEET FORMULA 1 AND METHOD FOR PIGMENTING ORGANIC MATERIAL USING THIS COMPOUND | |
NL154230B (en) | PROCESS FOR PREPARING ENTCOPOLYMERS BY EMULSION POLYMERIZATION. | |
BE799822A (en) | METHOD OF STABILIZING BY U.V. LIGHT HARDABLE POLYESTER RESIN, UNSATURATED | |
NL154535B (en) | PROCEDURE FOR VULCANIZING. | |
NL150617B (en) | METHOD OF THERMAL TREATMENT OF A MATERIAL BY ELECTRON BOMBARDEMENT. | |
NL173392C (en) | METHOD FOR STABILIZING NORBORNENE DERIVATIVES. | |
NL162368C (en) | METHOD FOR PREPARING ACRYLONITRILE OR METHACRYLONITRILE BY AMMOXYDATION | |
NL170427C (en) | PROCESS FOR STABILIZING ORGANIC POLYMERS AGAINST DEMOLITION BY HEAT AND OXYGEN. | |
NL152873B (en) | METHOD FOR PREPARING BUTADIENE POLYMERS. | |
NL179200C (en) | METHOD FOR TREATING GLASS PRODUCTS. | |
NL165760C (en) | METHOD FOR PREPARING VOLCANIZABLE AMORPHONE ALKETER POLYMERS, AND METHOD FOR VULKANIZING TERCOPOLYMERS | |
NL153532B (en) | PROCESS FOR THE PREPARATION OF HETEROCYCLIC, PYRROOL AND PYRIDINE DERIVED COMPOUNDS. | |
NL150820B (en) | PROCEDURE FOR MODIFYING THE SURFACE OF A FOELIE, AS WELL AS FOELIE, OBTAINED BY APPLICATION OF THE PROCEDURE. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V4 | Discontinued because of reaching the maximum lifetime of a patent |