DE3401444A1 - Verfahren zum entfaerben und zur regenerierung von abfallpapier - Google Patents
Verfahren zum entfaerben und zur regenerierung von abfallpapierInfo
- Publication number
- DE3401444A1 DE3401444A1 DE19843401444 DE3401444A DE3401444A1 DE 3401444 A1 DE3401444 A1 DE 3401444A1 DE 19843401444 DE19843401444 DE 19843401444 DE 3401444 A DE3401444 A DE 3401444A DE 3401444 A1 DE3401444 A1 DE 3401444A1
- Authority
- DE
- Germany
- Prior art keywords
- group
- integer
- pulp
- decolorizing agent
- compound
- 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.)
- Ceased
Links
- 239000010893 paper waste Substances 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000001172 regenerating effect Effects 0.000 title claims 2
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 10
- 238000005188 flotation Methods 0.000 claims abstract description 10
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 8
- 125000003342 alkenyl group Chemical group 0.000 claims abstract description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 5
- -1 AO is C3H6O Chemical group 0.000 claims abstract description 4
- 125000002252 acyl group Chemical group 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 150000003839 salts Chemical class 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000008929 regeneration Effects 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 2
- 125000001931 aliphatic group Chemical group 0.000 claims 2
- 239000002761 deinking Substances 0.000 claims 1
- 238000004042 decolorization Methods 0.000 abstract description 2
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- 125000000963 oxybis(methylene) group Chemical group [H]C([H])(*)OC([H])([H])* 0.000 abstract 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000000975 dye Substances 0.000 description 8
- 238000007639 printing Methods 0.000 description 8
- 239000000976 ink Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000004115 Sodium Silicate Substances 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000013055 pulp slurry Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 1
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical class C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 229960002446 octanoic acid Drugs 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000008054 sulfonate salts Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
- D21C5/027—Chemicals therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58005455A JPS59130400A (ja) | 1983-01-17 | 1983-01-17 | 古紙再生用脱墨剤 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3401444A1 true DE3401444A1 (de) | 1984-07-19 |
Family
ID=11611690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843401444 Ceased DE3401444A1 (de) | 1983-01-17 | 1984-01-17 | Verfahren zum entfaerben und zur regenerierung von abfallpapier |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS59130400A (enrdf_load_stackoverflow) |
| DE (1) | DE3401444A1 (enrdf_load_stackoverflow) |
| ES (1) | ES528907A0 (enrdf_load_stackoverflow) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0241224A3 (en) * | 1986-04-11 | 1988-03-30 | Kao Corporation | Deinking composition for reclamation of waste paper |
| EP0299138A1 (de) * | 1987-07-16 | 1989-01-18 | Henkel Kommanditgesellschaft auf Aktien | Verfahren zur Flotation von Füllstoffen aus Altpapier |
| DE3923393A1 (de) * | 1989-07-14 | 1991-01-17 | Henkel Kgaa | Verfahren zur altpapieraufbereitung |
| WO1991003596A1 (de) * | 1989-08-30 | 1991-03-21 | Henkel Kommanditgesellschaft Auf Aktien | Verwendung von polyalkylenoxidketten- und stickstoffhaltigen verbindungen zum entfernen von druckfarben aus bedruckten altpapieren und/oder papierkreislaufwässern |
| EP0434084A1 (en) * | 1989-12-22 | 1991-06-26 | Kao Corporation | Deinking agent for regenerating waste paper |
| WO1992006240A1 (de) * | 1990-10-09 | 1992-04-16 | Henkel Kommanditgesellschaft Auf Aktien | Verwendung von polyetherkettenhaltigen verbindungen, hergestellt aus epoxidierten carbonsäurederivaten, zur entfernung von druckfarben aus altpapieren und/oder papierkreislaufwässern |
| EP0488306A1 (en) * | 1990-11-29 | 1992-06-03 | Mitsubishi Oil Company, Limited | Deinking agent for the reclamation of waste paper |
| EP0492507A1 (en) * | 1990-12-28 | 1992-07-01 | Kao Corporation | Deinking method and deinking composition |
| EP0492224A1 (en) * | 1990-12-28 | 1992-07-01 | Mitsubishi Oil Company, Limited | Deinking agent for the reclamation of waste paper |
| EP0507325A1 (en) * | 1991-04-05 | 1992-10-07 | Kao Corporation | Deinking composition and deinking method |
| US5288369A (en) * | 1990-12-28 | 1994-02-22 | Kao Corporation | Deinking method and deinking composition |
| WO1995024526A1 (en) * | 1994-03-08 | 1995-09-14 | Buckman Laboratories International, Inc. | Method of agglomerating printing ink and formulations for use therein |
| US5512134A (en) * | 1992-02-03 | 1996-04-30 | Henkel Kommanditgesellschaft Auf Aktien | Process for removing printing inks from printed wastepaper or from paper circuit waters |
| EP1616994A4 (en) * | 2003-04-23 | 2007-01-24 | Lion Corp | DEWINING AGENT AND DISENGAGING AGENT |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62243892A (ja) * | 1986-04-11 | 1987-10-24 | 花王株式会社 | 古紙再生用脱墨剤 |
| JPH0694633B2 (ja) * | 1991-05-31 | 1994-11-24 | 花王株式会社 | 脱墨剤 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1347971A (en) * | 1971-04-23 | 1974-02-27 | Ici Ltd | Paper treatment process |
| DE2143912B2 (de) * | 1971-09-02 | 1979-07-26 | Henkel Kgaa, 4000 Duesseldorf | Verfahren zum Entfärben von bedrucktem Altpapier |
| EP0027922A1 (de) * | 1979-10-16 | 1981-05-06 | Hoechst Aktiengesellschaft | Verfahren zur Entfernung von Pigmenten aus Altpapier |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5184905A (enrdf_load_stackoverflow) * | 1975-01-24 | 1976-07-24 | Kao Corp | |
| JPS5551892A (en) * | 1978-10-06 | 1980-04-15 | Toho Chem Ind Co Ltd | Deinking of waste paper |
| JPS58109696A (ja) * | 1981-12-21 | 1983-06-30 | 旭電化工業株式会社 | 故紙再生用脱インキ剤 |
-
1983
- 1983-01-17 JP JP58005455A patent/JPS59130400A/ja active Granted
-
1984
- 1984-01-16 ES ES528907A patent/ES528907A0/es active Granted
- 1984-01-17 DE DE19843401444 patent/DE3401444A1/de not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1347971A (en) * | 1971-04-23 | 1974-02-27 | Ici Ltd | Paper treatment process |
| DE2143912B2 (de) * | 1971-09-02 | 1979-07-26 | Henkel Kgaa, 4000 Duesseldorf | Verfahren zum Entfärben von bedrucktem Altpapier |
| EP0027922A1 (de) * | 1979-10-16 | 1981-05-06 | Hoechst Aktiengesellschaft | Verfahren zur Entfernung von Pigmenten aus Altpapier |
Non-Patent Citations (1)
| Title |
|---|
| BERNDT, Wilhelm: Einflußgrößen beim Deinking-Prozeß, in DE-Z: Das Papier, Heft 10A, 1974, S. V24-V29 * |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0241224A3 (en) * | 1986-04-11 | 1988-03-30 | Kao Corporation | Deinking composition for reclamation of waste paper |
| EP0299138A1 (de) * | 1987-07-16 | 1989-01-18 | Henkel Kommanditgesellschaft auf Aktien | Verfahren zur Flotation von Füllstoffen aus Altpapier |
| DE3923393A1 (de) * | 1989-07-14 | 1991-01-17 | Henkel Kgaa | Verfahren zur altpapieraufbereitung |
| TR24954A (tr) * | 1989-08-30 | 1992-09-01 | Henkel Kgaa | BASKILI HURDA KAGITTAN VE/VEYA KAGIDIN DEVRIDAIM SULARINDAN MATBAA MüREKKEBLERININ CIKARTILMASI ICIN POLIALKILEN OKSIT ZINCIRLERINI VE AZOT IHTIVA EDEN BILESIKLERIN KULLANILMASI |
| WO1991003596A1 (de) * | 1989-08-30 | 1991-03-21 | Henkel Kommanditgesellschaft Auf Aktien | Verwendung von polyalkylenoxidketten- und stickstoffhaltigen verbindungen zum entfernen von druckfarben aus bedruckten altpapieren und/oder papierkreislaufwässern |
| US5304316A (en) * | 1989-12-22 | 1994-04-19 | Kao Corporation | Deinking agent for regenerating waste printed paper comprising reaction product of compound having an OH group, a dicarboxylic acid, or an anhydride thereof |
| EP0434084A1 (en) * | 1989-12-22 | 1991-06-26 | Kao Corporation | Deinking agent for regenerating waste paper |
| WO1992006240A1 (de) * | 1990-10-09 | 1992-04-16 | Henkel Kommanditgesellschaft Auf Aktien | Verwendung von polyetherkettenhaltigen verbindungen, hergestellt aus epoxidierten carbonsäurederivaten, zur entfernung von druckfarben aus altpapieren und/oder papierkreislaufwässern |
| US5403440A (en) * | 1990-10-09 | 1995-04-04 | Henkel Kommanditgesellschaft Auf Aktien | Use of compounds containing polyether chains prepared from epoxidized carboxylic acid derivatives for the removal of printing inks from wastepaper |
| EP0488306A1 (en) * | 1990-11-29 | 1992-06-03 | Mitsubishi Oil Company, Limited | Deinking agent for the reclamation of waste paper |
| EP0492507A1 (en) * | 1990-12-28 | 1992-07-01 | Kao Corporation | Deinking method and deinking composition |
| EP0492224A1 (en) * | 1990-12-28 | 1992-07-01 | Mitsubishi Oil Company, Limited | Deinking agent for the reclamation of waste paper |
| US5288369A (en) * | 1990-12-28 | 1994-02-22 | Kao Corporation | Deinking method and deinking composition |
| EP0507325A1 (en) * | 1991-04-05 | 1992-10-07 | Kao Corporation | Deinking composition and deinking method |
| US5585339A (en) * | 1991-04-05 | 1996-12-17 | Kao Corporation | Deinking composition and deinking method |
| US5512134A (en) * | 1992-02-03 | 1996-04-30 | Henkel Kommanditgesellschaft Auf Aktien | Process for removing printing inks from printed wastepaper or from paper circuit waters |
| WO1995024526A1 (en) * | 1994-03-08 | 1995-09-14 | Buckman Laboratories International, Inc. | Method of agglomerating printing ink and formulations for use therein |
| EP1616994A4 (en) * | 2003-04-23 | 2007-01-24 | Lion Corp | DEWINING AGENT AND DISENGAGING AGENT |
Also Published As
| Publication number | Publication date |
|---|---|
| ES8504295A1 (es) | 1985-04-16 |
| JPS6261711B2 (enrdf_load_stackoverflow) | 1987-12-23 |
| ES528907A0 (es) | 1985-04-16 |
| JPS59130400A (ja) | 1984-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: KRESSIN, H., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 8 |
|
| 8128 | New person/name/address of the agent |
Representative=s name: SOLF, A., DR.-ING., 8000 MUENCHEN ZAPF, C., DIPL.- |
|
| 8110 | Request for examination paragraph 44 | ||
| 8131 | Rejection |