DE3875377T2 - Verfahren zur herstellung eines extrem verstreckbaren polymeren materials, sowie ein verfahren zur herstellung von gegenstaenden. - Google Patents
Verfahren zur herstellung eines extrem verstreckbaren polymeren materials, sowie ein verfahren zur herstellung von gegenstaenden.Info
- Publication number
- DE3875377T2 DE3875377T2 DE8888200995T DE3875377T DE3875377T2 DE 3875377 T2 DE3875377 T2 DE 3875377T2 DE 8888200995 T DE8888200995 T DE 8888200995T DE 3875377 T DE3875377 T DE 3875377T DE 3875377 T2 DE3875377 T2 DE 3875377T2
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- process according
- polyolefin
- particles
- producing
- 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 - Lifetime
Links
- 239000002861 polymer material Substances 0.000 title claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 title 2
- 238000002844 melting Methods 0.000 claims abstract description 23
- 230000008018 melting Effects 0.000 claims abstract description 23
- 239000002245 particle Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 17
- 229920000098 polyolefin Polymers 0.000 claims abstract description 14
- 230000001427 coherent effect Effects 0.000 claims abstract description 3
- 239000000155 melt Substances 0.000 claims abstract description 3
- 239000006057 Non-nutritive feed additive Substances 0.000 claims description 14
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 claims description 14
- -1 polyethylene Polymers 0.000 claims description 13
- 229920000573 polyethylene Polymers 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 10
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 claims description 7
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000005056 compaction Methods 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000005662 Paraffin oil Substances 0.000 claims description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- 239000012967 coordination catalyst Substances 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- 239000004614 Process Aid Substances 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 239000012752 auxiliary agent Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 description 19
- 239000000835 fiber Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 6
- 230000004927 fusion Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical group CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000010128 melt processing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0658—PE, i.e. polyethylene characterised by its molecular weight
- B29K2023/0683—UHMWPE, i.e. ultra high molecular weight polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/25—Solid
- B29K2105/251—Particles, powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/005—Oriented
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0088—Molecular weight
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Textile Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Artificial Filaments (AREA)
- Reinforced Plastic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8701219A NL8701219A (nl) | 1987-05-22 | 1987-05-22 | Werkwijze voor het bereiden van een ultra-verstrekbaar polymeer materiaal, ultra-verstrekbaar polymeermateriaal, alsmede werkwijze voor het vervaardigen van voorwerpen. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3875377D1 DE3875377D1 (de) | 1992-11-26 |
| DE3875377T2 true DE3875377T2 (de) | 1993-05-13 |
Family
ID=19850052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8888200995T Expired - Lifetime DE3875377T2 (de) | 1987-05-22 | 1988-05-18 | Verfahren zur herstellung eines extrem verstreckbaren polymeren materials, sowie ein verfahren zur herstellung von gegenstaenden. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5004778A (enExample) |
| EP (1) | EP0292074B1 (enExample) |
| JP (1) | JP2740187B2 (enExample) |
| KR (1) | KR910009691B1 (enExample) |
| AT (1) | ATE81686T1 (enExample) |
| AU (1) | AU601844B2 (enExample) |
| BR (1) | BR8802486A (enExample) |
| CA (1) | CA1325093C (enExample) |
| DE (1) | DE3875377T2 (enExample) |
| IN (1) | IN171514B (enExample) |
| NL (1) | NL8701219A (enExample) |
| ZA (1) | ZA883615B (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA886000B (en) * | 1987-09-02 | 1989-04-26 | Grace W R & Co | Polyolefin films with improved oxygen transmission |
| DE69018332T2 (de) * | 1989-07-28 | 1995-10-26 | Nippon Oil Co Ltd | Verfahren zur kontinuierlichen Herstellung eines Polyethylenmaterials mit hoher Festigkeit und hohem Modul. |
| US5145628A (en) * | 1989-12-29 | 1992-09-08 | Rudolph Karg | Process for manufacturing a hose clad with ultra-high molecular weight polyethylene |
| JP2675182B2 (ja) * | 1990-07-19 | 1997-11-12 | 日本石油株式会社 | 着色延伸ポリエチレン材料およびその製造方法 |
| NL9001847A (nl) * | 1990-08-21 | 1992-03-16 | Stamicarbon | Prothese uit polyetheen gevuld met een anorganische vulstof. |
| US5874521A (en) * | 1992-06-19 | 1999-02-23 | University Technologies International Inc. | Polymer ahoy material and process for production thereof |
| US5367048A (en) * | 1992-06-19 | 1994-11-22 | University Technologies International Inc. | Polymer alloy material and process for production thereof |
| WO1996017119A1 (en) * | 1994-11-28 | 1996-06-06 | Exxon Chemical Patents Inc. | Fibers and fabrics of high density polyethylene and method of making same |
| US7328547B2 (en) * | 2004-10-29 | 2008-02-12 | Bostik, Inc. | Process for packaging plastic materials like hot melt adhesives |
| EP2014445A1 (en) | 2007-07-09 | 2009-01-14 | Teijin Aramid B.V. | Polyethylene film with high tensile strength and high tensile energy to break |
| KR20160028530A (ko) * | 2008-06-19 | 2016-03-11 | 데이진 아라미드 비.브이. | 폴리올레핀 필름들을 제조하기 위한 방법 |
| CN102149861B (zh) | 2008-07-10 | 2013-09-18 | 帝人芳纶有限公司 | 制造高分子量聚乙烯纤维的方法 |
| US8197935B2 (en) | 2008-07-17 | 2012-06-12 | Teijin Aramid B.V. | Ballistic resistant articles comprising elongate bodies |
| JP2012514674A (ja) * | 2009-01-09 | 2012-06-28 | テイジン・アラミド・ビー．ブイ． | ポリエチレンフィルムおよびその製造法 |
| WO2010079172A1 (en) * | 2009-01-09 | 2010-07-15 | Teijin Aramid B.V. | Polyethylene film with high tensile strength and high tensile energy to break |
| DE102010029633A1 (de) * | 2010-06-02 | 2011-12-08 | Hd Kunststoffe & Kunststofferzeugnisse Gmbh | Zerkleinerung von ultrahochmolekularen Polyethylenfasern |
| KR101900246B1 (ko) | 2010-12-03 | 2018-11-02 | 데이진 아라미드 비.브이. | 고분자량 폴리에틸렌 |
| KR101988698B1 (ko) | 2012-12-13 | 2019-06-12 | 릴라이언스 인더스트리즈 리미티드 | 용이하게 가공 가능한 초고 분자량 폴리에틸렌 및 이의 제조 공정 |
| US9926416B2 (en) * | 2013-01-30 | 2018-03-27 | W. L. Gore & Associates, Inc. | Method for producing porous articles from ultra high molecular weight polyethylene |
| CN111133013B (zh) * | 2017-09-29 | 2023-05-12 | Lg化学株式会社 | 预测管道用树脂组合物的长期耐久性的方法以及用于管道用树脂的烯烃聚合物 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3665068A (en) * | 1969-12-15 | 1972-05-23 | Sun Oil Co | Extrusion of extremely high molecular weight polyolefins |
| US4323531A (en) * | 1971-03-01 | 1982-04-06 | The Dow Chemical Company | Process for forming a plastic article |
| JPS532470B2 (enExample) * | 1974-04-05 | 1978-01-28 | ||
| US4161502A (en) * | 1975-01-30 | 1979-07-17 | The Dow Chemical Company | Process for forming plastic articles |
| US4348350A (en) * | 1980-09-26 | 1982-09-07 | Michigan Molecular Institute | Ultra-drawing crystalline polymers under high pressure |
| EP0115192B2 (en) * | 1982-12-28 | 1992-07-22 | Mitsui Petrochemical Industries, Ltd. | Process for producing stretched filaments of ultrahigh-molecular-weight polyethylene |
| JPS59187614A (ja) * | 1983-04-07 | 1984-10-24 | Mitsui Petrochem Ind Ltd | 超高分子量ポリエチレン延伸物の製造法 |
| JPS59168116A (ja) * | 1983-03-10 | 1984-09-21 | Mitsui Petrochem Ind Ltd | ポリエチレン延伸物の製造方法 |
| EP0143863B1 (en) * | 1983-11-28 | 1990-03-14 | Mitsuboshi Belting Ltd. | Method of producing accurately sized material of ultra high molecular weight polyethylene |
| JPS60163935A (ja) * | 1984-02-03 | 1985-08-26 | Mitsui Petrochem Ind Ltd | プレス成型用超高分子量ポリオレフィン組成物 |
| JPS60210425A (ja) * | 1984-04-04 | 1985-10-22 | Mitsui Petrochem Ind Ltd | ポリエチレン延伸物の製造方法 |
| JPS60232927A (ja) * | 1984-05-07 | 1985-11-19 | Mitsui Petrochem Ind Ltd | ポリエチレンの延伸物の製造法 |
| NL8502298A (nl) * | 1985-08-21 | 1987-03-16 | Stamicarbon | Werkwijze voor het vervaardigen van polyethyleenvoorwerpen met hoge treksterkte en modulus. |
| US4769433A (en) * | 1985-11-25 | 1988-09-06 | E. I. Du Pont De Nemours And Company | High strength polyolefins |
-
1987
- 1987-05-22 NL NL8701219A patent/NL8701219A/nl not_active Application Discontinuation
-
1988
- 1988-05-18 EP EP88200995A patent/EP0292074B1/en not_active Expired - Lifetime
- 1988-05-18 AT AT88200995T patent/ATE81686T1/de not_active IP Right Cessation
- 1988-05-18 DE DE8888200995T patent/DE3875377T2/de not_active Expired - Lifetime
- 1988-05-20 BR BR8802486A patent/BR8802486A/pt unknown
- 1988-05-20 ZA ZA883615A patent/ZA883615B/xx unknown
- 1988-05-20 JP JP63122205A patent/JP2740187B2/ja not_active Expired - Lifetime
- 1988-05-20 AU AU16476/88A patent/AU601844B2/en not_active Expired
- 1988-05-21 KR KR1019880006065A patent/KR910009691B1/ko not_active Expired
- 1988-05-23 US US07/197,361 patent/US5004778A/en not_active Expired - Lifetime
- 1988-05-24 CA CA000567482A patent/CA1325093C/en not_active Expired - Lifetime
- 1988-06-17 IN IN415/MAS/88A patent/IN171514B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US5004778A (en) | 1991-04-02 |
| AU601844B2 (en) | 1990-09-20 |
| ATE81686T1 (de) | 1992-11-15 |
| EP0292074B1 (en) | 1992-10-21 |
| EP0292074A1 (en) | 1988-11-23 |
| JP2740187B2 (ja) | 1998-04-15 |
| AU1647688A (en) | 1988-11-24 |
| DE3875377D1 (de) | 1992-11-26 |
| BR8802486A (pt) | 1988-12-20 |
| JPS63308049A (ja) | 1988-12-15 |
| CA1325093C (en) | 1993-12-14 |
| ZA883615B (en) | 1989-01-25 |
| KR910009691B1 (ko) | 1991-11-25 |
| IN171514B (enExample) | 1992-10-31 |
| KR880013993A (ko) | 1988-12-22 |
| NL8701219A (nl) | 1988-12-16 |
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Owner name: DSM IP ASSETS B.V., HEERLEN, NL |