CA1247307A - Paper that contains chemically substituted cellulose - Google Patents
Paper that contains chemically substituted celluloseInfo
- Publication number
- CA1247307A CA1247307A CA000454769A CA454769A CA1247307A CA 1247307 A CA1247307 A CA 1247307A CA 000454769 A CA000454769 A CA 000454769A CA 454769 A CA454769 A CA 454769A CA 1247307 A CA1247307 A CA 1247307A
- Authority
- CA
- Canada
- Prior art keywords
- paper
- cellulose
- methylol
- urea
- papers
- 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.)
- Expired
Links
- 229920002678 cellulose Polymers 0.000 title claims abstract description 16
- 239000001913 cellulose Substances 0.000 title claims abstract description 16
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004202 carbamide Substances 0.000 claims abstract description 7
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229940015043 glyoxal Drugs 0.000 claims abstract description 6
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 4
- 239000007864 aqueous solution Substances 0.000 claims abstract description 3
- 239000006185 dispersion Substances 0.000 claims abstract description 3
- 238000001035 drying Methods 0.000 claims abstract description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims abstract description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 229920003043 Cellulose fiber Polymers 0.000 claims description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- ZEYUSQVGRCPBPG-UHFFFAOYSA-N 4,5-dihydroxy-1,3-bis(hydroxymethyl)imidazolidin-2-one Chemical compound OCN1C(O)C(O)N(CO)C1=O ZEYUSQVGRCPBPG-UHFFFAOYSA-N 0.000 claims description 5
- 241000218631 Coniferophyta Species 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000009833 condensation Methods 0.000 abstract description 5
- 230000005494 condensation Effects 0.000 abstract description 5
- 238000006467 substitution reaction Methods 0.000 abstract description 3
- 229920000877 Melamine resin Polymers 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 abstract 1
- 229920006322 acrylamide copolymer Polymers 0.000 abstract 1
- 238000004132 cross linking Methods 0.000 abstract 1
- 150000007974 melamines Chemical class 0.000 abstract 1
- 239000000123 paper Substances 0.000 description 49
- 239000000047 product Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical group [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- 239000011121 hardwood Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 235000018185 Betula X alpestris Nutrition 0.000 description 2
- 235000018212 Betula X uliginosa Nutrition 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- UUGLSEIATNSHRI-UHFFFAOYSA-N 1,3,4,6-tetrakis(hydroxymethyl)-3a,6a-dihydroimidazo[4,5-d]imidazole-2,5-dione Chemical compound OCN1C(=O)N(CO)C2C1N(CO)C(=O)N2CO UUGLSEIATNSHRI-UHFFFAOYSA-N 0.000 description 1
- DGXAGETVRDOQFP-UHFFFAOYSA-N 2,6-dihydroxybenzaldehyde Chemical compound OC1=CC=CC(O)=C1C=O DGXAGETVRDOQFP-UHFFFAOYSA-N 0.000 description 1
- NNTWKXKLHMTGBU-UHFFFAOYSA-N 4,5-dihydroxyimidazolidin-2-one Chemical compound OC1NC(=O)NC1O NNTWKXKLHMTGBU-UHFFFAOYSA-N 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 108010059892 Cellulase Proteins 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- VJHCJDRQFCCTHL-UHFFFAOYSA-N acetic acid 2,3,4,5,6-pentahydroxyhexanal Chemical compound CC(O)=O.OCC(O)C(O)C(O)C(O)C=O VJHCJDRQFCCTHL-UHFFFAOYSA-N 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229940106157 cellulase Drugs 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 229910000397 disodium phosphate Inorganic materials 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/05—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur
- C08B15/06—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur containing nitrogen, e.g. carbamates
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/38—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing crosslinkable groups
- D21H17/39—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing crosslinkable groups forming ether crosslinkages, e.g. alkylol groups
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI831767 | 1983-05-19 | ||
| FI831767A FI831767L (fi) | 1983-05-19 | 1983-05-19 | Papper innehaollande kemiskt substituerade cellulosa. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1247307A true CA1247307A (en) | 1988-12-28 |
Family
ID=8517231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000454769A Expired CA1247307A (en) | 1983-05-19 | 1984-05-18 | Paper that contains chemically substituted cellulose |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4610761A ( ) |
| JP (1) | JPS60501317A ( ) |
| AU (1) | AU571235B2 ( ) |
| BR (1) | BR8406599A ( ) |
| CA (1) | CA1247307A ( ) |
| DE (1) | DE3490237T1 ( ) |
| ES (1) | ES8607452A1 ( ) |
| FI (1) | FI831767L ( ) |
| FR (1) | FR2546197B1 ( ) |
| GB (1) | GB2149826B ( ) |
| IT (1) | IT1179667B ( ) |
| NL (1) | NL8420130A ( ) |
| SE (1) | SE8500195D0 ( ) |
| SU (1) | SU1429945A3 ( ) |
| WO (1) | WO1984004553A1 ( ) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4731162A (en) * | 1984-08-17 | 1988-03-15 | National Starch And Chemical Corporation | Polysaccharide derivatives containing aldehyde groups for use as paper additives |
| US4788280A (en) * | 1987-03-19 | 1988-11-29 | National Starch And Chemical Corporation | Polysaccharide derivatives containing aldehyde groups on an aromatic ring, their preparation from the corresponding acetals and use in paper |
| FI80741C (fi) * | 1987-10-29 | 1990-07-10 | Laennen Tehtaat Oy | Modifierat papper. |
| FI90716C (fi) * | 1989-02-01 | 2000-01-21 | Kalottinvest Oy | Taimien kasvatuskennoston seinämämateriaali |
| JP2769656B2 (ja) * | 1992-03-27 | 1998-06-25 | 日本甜菜製糖株式会社 | 農業用耐腐紙とその製法 |
| GB9216847D0 (en) * | 1992-08-07 | 1992-09-23 | Vernon Packaging Ltd | Plant pot |
| US5435841A (en) * | 1994-05-25 | 1995-07-25 | Henkel Corporation | Insolubilizers for binders in paper coating compositions |
| JP3865506B2 (ja) * | 1997-09-08 | 2007-01-10 | ユニ・チャーム株式会社 | 繊維長が違う繊維を含有する水解性の繊維シート |
| JP3566044B2 (ja) | 1997-09-24 | 2004-09-15 | ユニ・チャーム株式会社 | 水解性の繊維シート及びそれが重ねられた拭き取り用シート |
| US8076113B2 (en) * | 2001-04-02 | 2011-12-13 | Danisco Us Inc. | Method for producing granules with reduced dust potential comprising an antifoam agent |
| DE102005050658A1 (de) * | 2005-10-20 | 2007-04-26 | Basf Ag | Verfahren zur Verminderung der Absorption von Wasser und Wasserdampf und zur Erhöhung der Dimensionsstabilität von Papier und Papierprodukten und Verwendung von beschichteten Papierprodukten |
| ITMI20070527A1 (it) * | 2007-03-16 | 2008-09-17 | Sadepan Chimica S R L | Seminiere e contenitori in fibra organica per pantule e piante e procedimento per la loro fabbricazione |
| CN114341433B (zh) * | 2019-09-06 | 2023-10-24 | 日本甜菜制糖株式会社 | 耐腐纸 |
| KR20230054822A (ko) * | 2020-08-25 | 2023-04-25 | 니혼 텐사이 세이토 가부시키가이샤 | 내부지의 분해 제어 방법 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB502724A (en) * | 1936-07-22 | 1939-03-21 | Scott Paper Co | Improvements in the manufacture of papers having a high wet strength |
| US2407376A (en) * | 1942-10-31 | 1946-09-10 | American Cyanamid Co | Colloidally dispersed dimethylol urea resins |
| DE916048C (de) * | 1943-01-28 | 1954-08-02 | Basf Ag | Verfahren zur Verbesserung der Wasserfestigkeit von Gebilden, die Faserstoffe und erhebliche Mengen hochmolekularer organischer Verfestigungs- oder Bindemittel enthalten |
| US2624686A (en) * | 1948-11-04 | 1953-01-06 | Olin Mathieson | High wet-strength paper and process of making |
| US3102364A (en) * | 1961-07-03 | 1963-09-03 | Pullen Molded Products Inc | Cellulosic molded transplanter pot or other products containing bagasse components |
| GB1156792A (en) * | 1965-07-02 | 1969-07-02 | Courtaulds Ltd | Treatment of Fibres for Paper Making. |
| DK124511B (da) * | 1967-06-28 | 1972-10-30 | Nippon Beet Sugar Mfg | Samling af papirbeholdere til brug ved plantespiring eller lignende og til automatisk omplanting af frøplanter. |
| FR1600269A ( ) * | 1968-12-31 | 1970-07-20 | ||
| US3858273A (en) * | 1971-05-11 | 1975-01-07 | Sun Chemical Corp | Corrugated paperboard compositions |
| US3798120A (en) * | 1972-04-11 | 1974-03-19 | Kimberly Clark Co | Disposable tissue with controlled wet break-up |
| CA982420A (en) * | 1972-05-22 | 1976-01-27 | Harry M. Andersen | Ethylene/vinyl chloride/n-methylolacrylamide/n-(alkoxymethyl)acrylamide |
| US3773612A (en) * | 1973-01-17 | 1973-11-20 | Scott Paper Co | Glyoxal-acrylamide-formaldehyde-urea wet strength resin |
| JPS59100793A (ja) * | 1982-11-24 | 1984-06-11 | 日本甜菜製糖株式会社 | 育苗用鉢体紙の製造方法 |
-
1983
- 1983-05-19 FI FI831767A patent/FI831767L/fi not_active Application Discontinuation
-
1984
- 1984-05-16 IT IT67489/84A patent/IT1179667B/it active
- 1984-05-17 ES ES532545A patent/ES8607452A1/es not_active Expired
- 1984-05-18 FR FR8407733A patent/FR2546197B1/fr not_active Expired
- 1984-05-18 CA CA000454769A patent/CA1247307A/en not_active Expired
- 1984-05-21 BR BR8406599A patent/BR8406599A/pt unknown
- 1984-05-21 US US06/691,564 patent/US4610761A/en not_active Expired - Lifetime
- 1984-05-21 NL NL8420130A patent/NL8420130A/nl not_active Application Discontinuation
- 1984-05-21 WO PCT/FI1984/000040 patent/WO1984004553A1/en active IP Right Grant
- 1984-05-21 DE DE19843490237 patent/DE3490237T1/de not_active Withdrawn
- 1984-05-21 JP JP59502012A patent/JPS60501317A/ja active Pending
- 1984-05-21 GB GB08430283A patent/GB2149826B/en not_active Expired
- 1984-05-21 AU AU29605/84A patent/AU571235B2/en not_active Ceased
-
1985
- 1985-01-16 SE SE8500195A patent/SE8500195D0/xx unknown
- 1985-01-18 SU SU853843341A patent/SU1429945A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2546197B1 (fr) | 1987-11-13 |
| ES8607452A1 (es) | 1986-06-01 |
| ES532545A0 (es) | 1986-06-01 |
| NL8420130A (nl) | 1985-04-01 |
| DE3490237T1 (de) | 1985-05-30 |
| JPS60501317A (ja) | 1985-08-15 |
| FI831767L (fi) | 1984-11-20 |
| IT8467489A0 (it) | 1984-05-16 |
| BR8406599A (pt) | 1985-03-12 |
| US4610761A (en) | 1986-09-09 |
| GB8430283D0 (en) | 1985-01-09 |
| SE8500195L (sv) | 1985-01-16 |
| FI831767A0 (fi) | 1983-05-19 |
| GB2149826A (en) | 1985-06-19 |
| SE8500195D0 (sv) | 1985-01-16 |
| AU2960584A (en) | 1984-12-04 |
| WO1984004553A1 (en) | 1984-11-22 |
| IT8467489A1 (it) | 1985-11-16 |
| AU571235B2 (en) | 1988-04-14 |
| IT1179667B (it) | 1987-09-16 |
| FR2546197A1 (fr) | 1984-11-23 |
| SU1429945A3 (ru) | 1988-10-07 |
| GB2149826B (en) | 1986-10-01 |
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