ES487109A1 - Metodo para preparar una mezcla de polimeros - Google Patents
Metodo para preparar una mezcla de polimerosInfo
- Publication number
- ES487109A1 ES487109A1 ES487109A ES487109A ES487109A1 ES 487109 A1 ES487109 A1 ES 487109A1 ES 487109 A ES487109 A ES 487109A ES 487109 A ES487109 A ES 487109A ES 487109 A1 ES487109 A1 ES 487109A1
- Authority
- ES
- Spain
- Prior art keywords
- component
- preparing
- products obtained
- polymer
- formed products
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L31/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid; Compositions of derivatives of such polymers
- C08L31/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C08L31/04—Homopolymers or copolymers of vinyl acetate
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
- A01N25/10—Macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/12—Ion-exchange processes in general; Apparatus therefor characterised by the use of ion-exchange material in the form of ribbons, filaments, fibres or sheets, e.g. membranes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/005—Processes for mixing polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L35/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L35/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L35/06—Copolymers with vinyl aromatic monomers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/10—Esters of organic acids, i.e. acylates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Plant Pathology (AREA)
- Pest Control & Pesticides (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Dentistry (AREA)
- Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Wood Science & Technology (AREA)
- Agronomy & Crop Science (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Materials For Medical Uses (AREA)
Abstract
Un método para preparar una mezcla de polímeros, caracterizado por el hecho de que se prepara una aleación de polímeros que es establece y homogénea hasta temperaturas elevadas, partiendo principalmente del componente (a) uno o más polímeros de peso molecular alto, que tiene(n) grupo anhídrido y el componente (b) uno o más polímeros de peso molecular alto con grupos que tienen aptitud para interaccionar con átomos de hidrógeno para formar enlaces de hidrógeno, en el que se prepara primeramente una solución del componente (a) en un disolvente orgánico; a cuya solución se añade luego el componente (b), y el componente (a) en estado disuelto es protolizado en todo o en parte -antes o después de la edición del componente (b)- bajo la acción de agentes protolizantes, después de lo cual se separa el disolvente, siendo así que cada uno de (a) y (b) tienen un peso molecular de al menos 104.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7812529A NL7812529A (nl) | 1978-12-22 | 1978-12-22 | Werkwijze voor de bereiding van een polymeermengsel en gevormde produkten, verkregen daaruit. |
NL7908799A NL7908799A (nl) | 1978-12-22 | 1979-12-05 | Werkwijze voor de bereiding van een polymeermengsel, gevormde produkten, verkregen daaruit en polymeer- legering. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES487109A1 true ES487109A1 (es) | 1980-09-16 |
Family
ID=26645477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES487109A Expired ES487109A1 (es) | 1978-12-22 | 1979-12-20 | Metodo para preparar una mezcla de polimeros |
Country Status (26)
Country | Link |
---|---|
US (2) | US4332917A (es) |
AR (1) | AR224752A1 (es) |
AT (1) | AT369408B (es) |
BR (1) | BR7908469A (es) |
CA (1) | CA1159187A (es) |
CH (1) | CH656624A5 (es) |
DD (1) | DD148228A5 (es) |
DE (1) | DE2949531A1 (es) |
DK (1) | DK553279A (es) |
EG (1) | EG14159A (es) |
ES (1) | ES487109A1 (es) |
FI (1) | FI794035A (es) |
FR (1) | FR2444690B1 (es) |
GB (1) | GB2038847B (es) |
GR (1) | GR74022B (es) |
IL (1) | IL58949A (es) |
IN (1) | IN152231B (es) |
IT (1) | IT1193874B (es) |
LU (1) | LU81981A1 (es) |
NL (1) | NL7908799A (es) |
NO (1) | NO794250L (es) |
PL (1) | PL134006B1 (es) |
PT (1) | PT70579A (es) |
RO (1) | RO80001A (es) |
SE (1) | SE445558B (es) |
YU (1) | YU40859B (es) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4435383A (en) * | 1980-09-05 | 1984-03-06 | E. I. Du Pont De Nemours And Company | Slow release pesticide formulations |
AU3391284A (en) * | 1983-11-29 | 1985-06-13 | Avtex Fibers Inc. | Microbicidal materials |
NL8400339A (nl) * | 1984-02-03 | 1985-09-02 | Tno | Samenstelling en werkwijze voor het verduurzamen van hout. |
US4600746A (en) * | 1984-02-08 | 1986-07-15 | Norchem, Inc. | Polyvinyl alcohol alloys and method of making the same |
US4575532A (en) * | 1984-02-08 | 1986-03-11 | Norchem, Inc. | Polyvinyl alcohol alloys and method of making the same |
NL8402315A (nl) * | 1984-07-20 | 1986-02-17 | Tno | Insecticide preparaat met selectieve afgifte van de daarin aanwezige werkzame verbindingen. |
US4813945A (en) * | 1986-02-26 | 1989-03-21 | Arco Chemical Technology, Inc. | Ultrahigh water-absorbing fiber forming composition |
US4892533A (en) * | 1986-02-26 | 1990-01-09 | Arco Chemical Technology, Inc. | Ultrahigh water-absorbing fiber-forming composition |
US4880868A (en) * | 1986-10-06 | 1989-11-14 | Arco Chemical Technology, Inc. | Extended shelf life water-absorbing composition which facilitates fiber formation |
ATA255988A (de) * | 1988-10-14 | 1993-05-15 | Chemie Linz Gmbh | Absorbierendes polymerisat |
US5026784A (en) * | 1990-01-04 | 1991-06-25 | Arco Chemical Technology, Inc. | Polymer compositions and absorbent fibers produced therefrom |
US5151465A (en) * | 1990-01-04 | 1992-09-29 | Arco Chemical Technology, L.P. | Polymer compositions and absorbent fibers produced therefrom |
US5079306A (en) * | 1990-01-04 | 1992-01-07 | Arco Chemical Technology, Inc. | Polymer compositions and absorbent fibers produced therefrom |
EP0480677A3 (en) * | 1990-10-11 | 1993-02-24 | Mitsubishi Gas Chemical Company, Inc. | Thermoplastic resin-based molded article and process for producing the same |
US5171777A (en) * | 1990-12-26 | 1992-12-15 | Air Products And Chemicals, Inc. | Miscible blends of poly(vinyl acetate) and polymers of acrylic acid |
US5319027A (en) * | 1990-12-26 | 1994-06-07 | Air Products And Chemicals, Inc. | Miscible blends of vinyl acetate-ethylene copolymers and copolymers of acrylic acid or maleic anhydride |
US5547541A (en) * | 1992-08-17 | 1996-08-20 | Weyerhaeuser Company | Method for densifying fibers using a densifying agent |
US5543215A (en) * | 1992-08-17 | 1996-08-06 | Weyerhaeuser Company | Polymeric binders for binding particles to fibers |
US5998032A (en) | 1992-08-17 | 1999-12-07 | Weyerhaeuser Company | Method and compositions for enhancing blood absorbence by superabsorbent materials |
US5641561A (en) * | 1992-08-17 | 1997-06-24 | Weyerhaeuser Company | Particle binding to fibers |
US6340411B1 (en) | 1992-08-17 | 2002-01-22 | Weyerhaeuser Company | Fibrous product containing densifying agent |
US5807364A (en) * | 1992-08-17 | 1998-09-15 | Weyerhaeuser Company | Binder treated fibrous webs and products |
US7144474B1 (en) | 1992-08-17 | 2006-12-05 | Weyerhaeuser Co. | Method of binding particles to binder treated fibers |
WO1994004352A1 (en) * | 1992-08-17 | 1994-03-03 | Weyerhaeuser Company | Particle binders |
US6391453B1 (en) * | 1992-08-17 | 2002-05-21 | Weyernaeuser Company | Binder treated particles |
US5662960A (en) * | 1995-02-01 | 1997-09-02 | Schneider (Usa) Inc. | Process for producing slippery, tenaciously adhering hydrogel coatings containing a polyurethane-urea polymer hydrogel commingled with a poly (n-vinylpyrrolidone) polymer hydrogel |
GB2320456B (en) * | 1996-12-18 | 2001-09-05 | Fip Holdings Ltd | Polymer processing method |
GB2378705B (en) | 1998-08-26 | 2003-03-26 | Pvaxx Technologies Ltd | PVA-Containing compositions |
GB0005016D0 (en) * | 2000-03-01 | 2000-04-26 | Jumik Technologies Limited | PVA-Containing compositions |
US20040058605A1 (en) * | 2002-09-19 | 2004-03-25 | Hansen Michael R. | Polysaccharide treated cellulose fibers |
WO2004047690A2 (en) * | 2002-11-26 | 2004-06-10 | Raymedica, Inc. | Prosthetic spinal disc nucleus with elevated swelling rate |
US20050000669A1 (en) * | 2003-03-14 | 2005-01-06 | Hugh West | Saccharide treated cellulose pulp sheets |
US20050031841A1 (en) * | 2003-08-05 | 2005-02-10 | Weyerhaeuser Company | Attachment of superabsorbent materials to fibers using oil |
US20050133180A1 (en) * | 2003-12-19 | 2005-06-23 | Hugh West | Densification agent and oil treated cellulose fibers |
US20050178518A1 (en) * | 2004-02-13 | 2005-08-18 | Hugh West | Sodium sulfate treated pulp |
EP1774853B1 (en) * | 2004-08-06 | 2014-07-23 | Nippon Soda Co., Ltd. | Agricultural-chemical preparation having controlled releasability |
GB2422150B (en) * | 2005-01-13 | 2009-11-25 | Pvaxx Res & Dev Ltd | PVA-containing compositions |
US20070224233A1 (en) * | 2005-08-05 | 2007-09-27 | Nippon Soda Co., Ltd | Controlled-Release Agricultural Chemical Formulation |
HUE036785T2 (hu) * | 2006-02-06 | 2018-07-30 | Nippon Soda Co | Felszabadulásában szabályozott agrokemikáliát tartalmazó gyantakészítmény, eljárás ennek elõállítására valamint agrokemikália-formuláció |
BRPI0709387A2 (pt) * | 2006-03-15 | 2011-07-05 | Bic Soc | composição de combustìvel capaz de produzir hidrogênio através de reação quìmica para uso em célula de combustìvel e gerador de gás adaptado para uso com a mesma |
US8453653B2 (en) | 2007-12-20 | 2013-06-04 | Philip Morris Usa Inc. | Hollow/porous fibers and applications thereof |
AT509268A1 (de) * | 2009-12-30 | 2011-07-15 | Sunpor Kunststoff Gmbh | Expandierbare polymerisate aus celluloseacetatbutyrat |
JP6533932B2 (ja) * | 2012-12-28 | 2019-06-26 | アボット カーディオバスキュラー システムズ インコーポレイテッド | 抗体を含む治療用組成物 |
CN110372915B (zh) * | 2019-08-01 | 2021-10-26 | 宁波百福得环保科技有限公司 | 一种高性能生物基工程塑料及其制备方法 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE516732A (es) * | 1952-01-04 | 1900-01-01 | ||
US2798053A (en) * | 1952-09-03 | 1957-07-02 | Goodrich Co B F | Carboxylic polymers |
US2816877A (en) * | 1954-01-08 | 1957-12-17 | Shawinigan Resins Corp | Free flowing thermoplastic vinyl ester copolymer granules and method of preparing same |
US3497574A (en) * | 1961-04-04 | 1970-02-24 | Jack J Press | Adhesive compositions |
US3299184A (en) * | 1962-09-10 | 1967-01-17 | Union Carbide Corp | Method for processing fusible crosslinked ethylene/dicarboxylic anhydride copolymers |
FR1345396A (fr) * | 1963-01-15 | 1963-12-06 | Monsanto Chemicals | Produits de revêtement aqueux contenant notamment des copolymères du styrène et de composés maléiques |
US3326864A (en) * | 1964-02-05 | 1967-06-20 | Dow Chemical Co | Thermoset resin compositions |
USRE27140E (en) | 1964-12-04 | 1971-06-08 | Oh chxchxx | |
US3257478A (en) * | 1965-02-12 | 1966-06-21 | Nat Starch Chem Corp | Pressure sensitive adhesive compositions |
US3669103A (en) | 1966-05-31 | 1972-06-13 | Dow Chemical Co | Absorbent product containing a hydrocelloidal composition |
US3488311A (en) * | 1967-01-19 | 1970-01-06 | Gulf Research Development Co | Ammonium hydroxide polymer solutions for floor polish compositions |
US3658752A (en) * | 1969-07-22 | 1972-04-25 | Gen Tire & Rubber Co | Method of making stable blends of chemically dissimilar elastomers and plastics |
DE2323635A1 (de) * | 1972-05-12 | 1973-11-29 | Yeda Res & Dev | Polymerisatlegierung mit einer phsophor und halogen enthaltenden polymerenkomponente |
US3873643A (en) * | 1972-12-18 | 1975-03-25 | Chemplex Co | Graft copolymers of polyolefins and cyclic acid and acid anhydride monomers |
US3983095A (en) | 1973-02-12 | 1976-09-28 | The Dow Chemical Company | Absorbent fibers and process for their preparation |
NL174734C (nl) * | 1974-02-18 | 1984-08-01 | Tno | Werkwijze voor het bereiden van onder invloed van water afbreekbare kunststofmaterialen, alsmede voorwerpen, gevormd uit kunststofmaterialen verkregen onder toepassing van de werkwijze. |
US4097429A (en) * | 1974-05-29 | 1978-06-27 | Bayer Aktiengesellschaft | Thermoplastically processible moulding compound of cellulose esters and ethylene/vinyl esters copolymers |
US3939123A (en) | 1974-06-18 | 1976-02-17 | Union Carbide Corporation | Lightly cross-linked polyurethane hydrogels based on poly(alkylene ether) polyols |
US4192727A (en) * | 1976-08-24 | 1980-03-11 | Union Carbide Corporation | Polyelectrolyte hydrogels and methods of their preparation |
DE2713198A1 (de) | 1977-03-25 | 1978-10-05 | Bayer Ag | Stabile polymergele |
NL7710816A (en) | 1977-10-03 | 1979-04-05 | Union Carbide Corp | Insol. poly:electrolyte hydrogel from acrylate salt and acrylamide - by irradiation, giving prod. with high liquid absorption capacity |
US4263183A (en) * | 1979-10-31 | 1981-04-21 | Eastman Kodak Company | Cellulose ester/copolyacrylate composition |
-
1979
- 1979-12-05 NL NL7908799A patent/NL7908799A/nl unknown
- 1979-12-08 DE DE19792949531 patent/DE2949531A1/de not_active Withdrawn
- 1979-12-10 LU LU81981A patent/LU81981A1/de unknown
- 1979-12-10 SE SE7910126A patent/SE445558B/sv not_active IP Right Cessation
- 1979-12-11 AT AT0780379A patent/AT369408B/de not_active IP Right Cessation
- 1979-12-12 PT PT70579A patent/PT70579A/pt unknown
- 1979-12-13 IL IL58949A patent/IL58949A/xx unknown
- 1979-12-14 CH CH11091/79A patent/CH656624A5/de not_active IP Right Cessation
- 1979-12-18 GR GR60795A patent/GR74022B/el unknown
- 1979-12-19 YU YU3107/79A patent/YU40859B/xx unknown
- 1979-12-20 RO RO7999627A patent/RO80001A/ro unknown
- 1979-12-20 PL PL1979220561A patent/PL134006B1/pl unknown
- 1979-12-20 US US06/105,750 patent/US4332917A/en not_active Expired - Lifetime
- 1979-12-20 ES ES487109A patent/ES487109A1/es not_active Expired
- 1979-12-21 IT IT28340/79A patent/IT1193874B/it active
- 1979-12-21 DK DK553279A patent/DK553279A/da not_active Application Discontinuation
- 1979-12-21 CA CA000342536A patent/CA1159187A/en not_active Expired
- 1979-12-21 FR FR7931377A patent/FR2444690B1/fr not_active Expired
- 1979-12-21 BR BR7908469A patent/BR7908469A/pt unknown
- 1979-12-21 FI FI794035A patent/FI794035A/fi not_active Application Discontinuation
- 1979-12-21 AR AR279404A patent/AR224752A1/es active
- 1979-12-21 DD DD79218055A patent/DD148228A5/de unknown
- 1979-12-21 IN IN1334/CAL/79A patent/IN152231B/en unknown
- 1979-12-21 GB GB7944130A patent/GB2038847B/en not_active Expired
- 1979-12-21 NO NO794250A patent/NO794250L/no unknown
- 1979-12-22 EG EG767/79A patent/EG14159A/xx active
-
1980
- 1980-06-16 US US06/159,649 patent/US4338417A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL7908799A (nl) | 1980-06-24 |
US4338417A (en) | 1982-07-06 |
US4332917A (en) | 1982-06-01 |
PL220561A1 (es) | 1980-12-15 |
DD148228A5 (de) | 1981-05-13 |
PT70579A (en) | 1980-01-01 |
RO80001A (ro) | 1982-10-11 |
AT369408B (de) | 1982-12-27 |
SE7910126L (sv) | 1980-06-23 |
IT1193874B (it) | 1988-08-31 |
SE445558B (sv) | 1986-06-30 |
NO794250L (no) | 1980-06-24 |
FR2444690B1 (fr) | 1986-04-18 |
GB2038847A (en) | 1980-07-30 |
FR2444690A1 (fr) | 1980-07-18 |
GR74022B (es) | 1984-06-06 |
PL134006B1 (en) | 1985-07-31 |
CA1159187A (en) | 1983-12-20 |
DE2949531A1 (de) | 1980-07-10 |
IN152231B (es) | 1983-11-26 |
LU81981A1 (de) | 1980-07-01 |
AR224752A1 (es) | 1982-01-15 |
YU310779A (en) | 1983-02-28 |
GB2038847B (en) | 1983-03-09 |
YU40859B (en) | 1986-06-30 |
FI794035A (fi) | 1980-06-23 |
CH656624A5 (de) | 1986-07-15 |
IL58949A (en) | 1983-03-31 |
IL58949A0 (en) | 1980-03-31 |
IT7928340A0 (it) | 1979-12-21 |
BR7908469A (pt) | 1980-09-16 |
DK553279A (da) | 1980-06-23 |
ATA780379A (de) | 1982-05-15 |
EG14159A (en) | 1984-09-30 |
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