NO851072L - Fremgangsmaate ved opparbeiding av avfallspapir - Google Patents
Fremgangsmaate ved opparbeiding av avfallspapirInfo
- Publication number
- NO851072L NO851072L NO851072A NO851072A NO851072L NO 851072 L NO851072 L NO 851072L NO 851072 A NO851072 A NO 851072A NO 851072 A NO851072 A NO 851072A NO 851072 L NO851072 L NO 851072L
- Authority
- NO
- Norway
- Prior art keywords
- carbon atoms
- groups
- ammonium compound
- meaning
- group
- Prior art date
Links
- 239000010893 paper waste Substances 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 title claims description 13
- 150000003856 quaternary ammonium compounds Chemical class 0.000 claims abstract description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
- 150000003868 ammonium compounds Chemical class 0.000 claims description 11
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- -1 ethyleneoxy groups Chemical group 0.000 claims description 6
- 125000005529 alkyleneoxy group Chemical group 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 150000001450 anions Chemical class 0.000 claims description 2
- 238000004042 decolorization Methods 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 2
- 241001061260 Emmelichthys struhsakeri Species 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 238000002845 discoloration Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 14
- 229920003043 Cellulose fiber Polymers 0.000 abstract description 2
- 239000000356 contaminant Substances 0.000 description 22
- 239000000123 paper Substances 0.000 description 15
- 239000000853 adhesive Substances 0.000 description 9
- 239000000835 fiber Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 6
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000002174 Styrene-butadiene Substances 0.000 description 3
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 239000011115 styrene butadiene Substances 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- GJYCVCVHRSWLNY-UHFFFAOYSA-N 2-butylphenol Chemical compound CCCCC1=CC=CC=C1O GJYCVCVHRSWLNY-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 150000002430 hydrocarbons Chemical group 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- JKTAIYGNOFSMCE-UHFFFAOYSA-N 2,3-di(nonyl)phenol Chemical compound CCCCCCCCCC1=CC=CC(O)=C1CCCCCCCCC JKTAIYGNOFSMCE-UHFFFAOYSA-N 0.000 description 1
- NSENZNPLAVRFMJ-UHFFFAOYSA-N 2,3-dibutylphenol Chemical compound CCCCC1=CC=CC(O)=C1CCCC NSENZNPLAVRFMJ-UHFFFAOYSA-N 0.000 description 1
- IXKVYSRDIVLASR-UHFFFAOYSA-N 2,3-dioctylphenol Chemical compound CCCCCCCCC1=CC=CC(O)=C1CCCCCCCC IXKVYSRDIVLASR-UHFFFAOYSA-N 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 238000006683 Mannich reaction Methods 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- RVGRUAULSDPKGF-UHFFFAOYSA-N Poloxamer Chemical compound C1CO1.CC1CO1 RVGRUAULSDPKGF-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 239000002998 adhesive polymer Substances 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000007046 ethoxylation reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052914 metal silicate Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 239000013055 pulp slurry Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension 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
-
- 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
- D21C5/022—Chemicals therefor
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/086—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with organic compounds or compositions comprising organic compounds
-
- 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
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Paper (AREA)
- Pyrane Compounds (AREA)
- Cephalosporin Compounds (AREA)
- Steroid Compounds (AREA)
- Processing Of Solid Wastes (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8401498A SE439787B (sv) | 1984-03-19 | 1984-03-19 | Sett att reducera missfergning och/eller klibbighet vid upparbetning av avfallspapper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO851072L true NO851072L (no) | 1985-09-20 |
Family
ID=20355189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO851072A NO851072L (no) | 1984-03-19 | 1985-03-18 | Fremgangsmaate ved opparbeiding av avfallspapir |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4710267A (fi) |
| EP (1) | EP0171370B1 (fi) |
| JP (1) | JPH0643672B2 (fi) |
| AT (1) | ATE48159T1 (fi) |
| CA (1) | CA1239255A (fi) |
| DE (1) | DE3574400D1 (fi) |
| FI (1) | FI75004C (fi) |
| NO (1) | NO851072L (fi) |
| SE (1) | SE439787B (fi) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5223097A (en) * | 1986-01-09 | 1993-06-29 | W. R. Grace Ab | Method for controlling pitch on a paper-making machine |
| US5626720A (en) * | 1986-01-09 | 1997-05-06 | W.R. Grace & Co.-Conn. | Method for controlling pitch on a papermaking machine |
| US4995944A (en) * | 1988-09-16 | 1991-02-26 | Dearborn Chemical Company Ltd. | Controlling deposits on paper machine felts using cationic polymer and cationic surfactant mixture |
| US5286346A (en) * | 1988-11-23 | 1994-02-15 | Henkel Kommanditgesellschaft Auf Aktien | Deinking of wastepaper with quaternized hydroxyethyl cellulose |
| EP0439612B1 (en) * | 1989-08-23 | 1994-09-14 | Honshu Paper Co., Ltd. | Heat-sensitive recording paper |
| DE4007596A1 (de) * | 1990-03-09 | 1991-09-12 | Henkel Kgaa | Alkylenoxideinheiten und quaternaere ammoniumgruppen enthaltende verbindungen |
| US5200034A (en) * | 1991-04-25 | 1993-04-06 | Betz Paperchem, Inc. | Use of surfactants having an HLB less than 10 in the deinking of dry toner electrostatic printed wastepaper |
| US5248388A (en) * | 1991-04-25 | 1993-09-28 | Betz Paperchem, Inc. | Use of surfactants having an HLB less than 10 in the deinking of dry toner electrostatic printed wastepaper |
| US5336372A (en) * | 1991-05-09 | 1994-08-09 | Rheox, Inc. | Process for deinking wastepaper utilizing organoclays formed in situ |
| US5151155A (en) * | 1991-05-09 | 1992-09-29 | Rheox, Inc. | Process for deinking wastepaper with organically modified smectite clay |
| US5213661A (en) * | 1991-05-21 | 1993-05-25 | Air Products And Chemicals, Inc. | Oxygen alkali detackification in secondary fiber recovery |
| US5139616A (en) * | 1991-05-29 | 1992-08-18 | Betz Paperchem, Inc. | Reduction of stickers contamination in papermaking process using recycled paper |
| US5314580A (en) * | 1992-07-08 | 1994-05-24 | Mauvin Material & Chemical Processing Limited | Process for the removal of ink, resin, and adhesive residues from paper, textile fabrics and solid surfaces |
| US5346543A (en) * | 1992-10-15 | 1994-09-13 | Lion Corporation | Deinking agent for reclaiming waste paper |
| US5518581A (en) * | 1993-06-04 | 1996-05-21 | Nicca Chemical Co., Ltd. | Deinking agent for regeneration of waste paper |
| US5580422A (en) * | 1993-07-27 | 1996-12-03 | Hoechst Celanese Corporation | Brightening color dyed wastepaper with a bleaching agent and a quaternary compound |
| US5560805A (en) * | 1993-07-27 | 1996-10-01 | Hoechst Celanese Corporation | Enhanced decolorization of waste paper with selected amines |
| US5458737A (en) * | 1993-07-27 | 1995-10-17 | Hoechst Celanese Corporation | Quaternary compounds as brightness enhancers |
| US6001218A (en) * | 1994-06-29 | 1999-12-14 | Kimberly-Clark Worldwide, Inc. | Production of soft paper products from old newspaper |
| US6074527A (en) * | 1994-06-29 | 2000-06-13 | Kimberly-Clark Worldwide, Inc. | Production of soft paper products from coarse cellulosic fibers |
| US5582681A (en) * | 1994-06-29 | 1996-12-10 | Kimberly-Clark Corporation | Production of soft paper products from old newspaper |
| DE19631150B4 (de) * | 1996-08-01 | 2007-04-19 | Süd-Chemie AG | Verfahren zur Ablösung von Druckfarben (Deinking) von cellulosehaltigen Druckträgern |
| US6296736B1 (en) | 1997-10-30 | 2001-10-02 | Kimberly-Clark Worldwide, Inc. | Process for modifying pulp from recycled newspapers |
| US6387210B1 (en) | 1998-09-30 | 2002-05-14 | Kimberly-Clark Worldwide, Inc. | Method of making sanitary paper product from coarse fibers |
| US20050173083A1 (en) * | 2004-02-06 | 2005-08-11 | Moyle Bradley E. | Optical brightener for aqueous high yield pulp and process for making brightened paper |
| WO2012027272A2 (en) | 2010-08-23 | 2012-03-01 | Hercules Incorporated | Method of treating paper forming wire surface |
| RU2719970C2 (ru) | 2015-07-07 | 2020-04-23 | Соленис Текнолоджиз, Л.П. | Способы подавления осаждения органических загрязнений в системах производства целлюлозы и бумаги |
| CN111945473A (zh) * | 2020-08-10 | 2020-11-17 | 玖龙纸业(天津)有限公司 | 一种高强瓦楞原纸生产方法及其生产系统 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1243963B (de) * | 1963-12-12 | 1967-07-06 | Garden State Paper Comp Inc | Verfahren zur Entfernung von Druckfarbe auf bedrucktem Altpapier |
| US3790606A (en) * | 1970-09-30 | 1974-02-05 | Diamond Shamrock Corp | Alkoxylated mannich compositions and derivatives thereof |
| JPS506802A (fi) * | 1973-05-30 | 1975-01-24 | ||
| JPS506803A (fi) * | 1973-05-30 | 1975-01-24 | ||
| JPS5153005A (en) * | 1974-10-31 | 1976-05-11 | Nissan Chemical Ind Ltd | Koshino datsubokuhoho |
| SE406482B (sv) * | 1975-03-11 | 1979-02-12 | Ytkemiska Inst | Forfarande for rening av en vattenhaltig dispersion eller massauppslamning |
| SU926129A1 (ru) * | 1976-05-07 | 1982-05-07 | Всесоюзный Проектно-Конструкторский И Технологический Институт Вторичных Ресурсов | Состав дл удалени печатной краски из макулатуры |
| US4144122A (en) * | 1976-10-22 | 1979-03-13 | Berol Kemi Ab | Quaternary ammonium compounds and treatment of cellulose pulp and paper therewith |
| DE2919866A1 (de) * | 1978-05-22 | 1979-11-29 | Wiggins Teape Group Ltd | Verfahren zur rueckgewinnung von fasern |
| DE2856845A1 (de) * | 1978-12-30 | 1980-07-17 | Henkel Kgaa | Verfahren zum deinken von bedrucktem altpapier |
| DE2903150A1 (de) * | 1979-01-27 | 1980-08-07 | Henkel Kgaa | Verfahren zum deinken von bedrucktem altpapier |
| SE443138B (sv) * | 1979-12-10 | 1986-02-17 | Berol Kemi Ab | Ytaktiv kvarter ammoniumforening samt anvendning av denna vid behandling av textil- och cellulosamaterial |
| JPS5725489A (en) * | 1980-07-23 | 1982-02-10 | Nippon Oils & Fats Co Ltd | Deinking agent of used paper |
| JPS5729691A (en) * | 1980-07-25 | 1982-02-17 | Honshu Paper Co Ltd | Removal of sticky substance of waste paper pulp of corrugated board |
| JPS5742991A (en) * | 1980-08-26 | 1982-03-10 | Honshu Paper Co Ltd | Removal of sticky substance of corrugated boad pulp |
| US4483741A (en) * | 1982-08-10 | 1984-11-20 | Economics Laboratory, Inc. | Low-foaming, pH sensitive, alkylamine polyether surface active agents and methods for using |
| JPS59150191A (ja) * | 1983-02-16 | 1984-08-28 | ライオン株式会社 | 古紙の脱墨方法 |
-
1984
- 1984-03-19 SE SE8401498A patent/SE439787B/sv not_active IP Right Cessation
-
1985
- 1985-03-04 EP EP19850850070 patent/EP0171370B1/en not_active Expired
- 1985-03-04 AT AT85850070T patent/ATE48159T1/de not_active IP Right Cessation
- 1985-03-04 DE DE8585850070T patent/DE3574400D1/de not_active Expired
- 1985-03-18 JP JP5564885A patent/JPH0643672B2/ja not_active Expired - Lifetime
- 1985-03-18 FI FI851066A patent/FI75004C/fi not_active IP Right Cessation
- 1985-03-18 NO NO851072A patent/NO851072L/no unknown
- 1985-03-19 CA CA000476914A patent/CA1239255A/en not_active Expired
- 1985-03-19 US US06/713,516 patent/US4710267A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| SE439787B (sv) | 1985-07-01 |
| EP0171370A1 (en) | 1986-02-12 |
| FI851066L (fi) | 1985-09-20 |
| EP0171370B1 (en) | 1989-11-23 |
| JPS60209097A (ja) | 1985-10-21 |
| FI851066A0 (fi) | 1985-03-18 |
| FI75004C (fi) | 1988-04-11 |
| CA1239255A (en) | 1988-07-19 |
| JPH0643672B2 (ja) | 1994-06-08 |
| ATE48159T1 (de) | 1989-12-15 |
| SE8401498D0 (sv) | 1984-03-19 |
| FI75004B (fi) | 1987-12-31 |
| DE3574400D1 (en) | 1989-12-28 |
| US4710267A (en) | 1987-12-01 |
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