GB1600676A - Mixtures of rubber with graft copolymers - Google Patents
Mixtures of rubber with graft copolymers Download PDFInfo
- Publication number
- GB1600676A GB1600676A GB19196/78A GB1919678A GB1600676A GB 1600676 A GB1600676 A GB 1600676A GB 19196/78 A GB19196/78 A GB 19196/78A GB 1919678 A GB1919678 A GB 1919678A GB 1600676 A GB1600676 A GB 1600676A
- Authority
- GB
- United Kingdom
- Prior art keywords
- copolymer
- graft
- rubber
- butadiene
- isoprene
- 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
- 229920001971 elastomer Polymers 0.000 title claims description 76
- 239000005060 rubber Substances 0.000 title claims description 76
- 239000000203 mixture Substances 0.000 title claims description 69
- 229920000578 graft copolymer Polymers 0.000 title claims description 51
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 56
- 229920001577 copolymer Polymers 0.000 claims description 50
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 42
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 claims description 31
- 229920002857 polybutadiene Polymers 0.000 claims description 27
- 239000005062 Polybutadiene Substances 0.000 claims description 26
- 239000000178 monomer Substances 0.000 claims description 23
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 23
- 229920000126 latex Polymers 0.000 claims description 19
- 229920000642 polymer Polymers 0.000 claims description 19
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 18
- -1 polypropylacrylate Polymers 0.000 claims description 18
- 229920000459 Nitrile rubber Polymers 0.000 claims description 17
- 239000004793 Polystyrene Substances 0.000 claims description 17
- 229920002223 polystyrene Polymers 0.000 claims description 17
- 239000004816 latex Substances 0.000 claims description 16
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims description 15
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- 239000003999 initiator Substances 0.000 claims description 9
- 229920001195 polyisoprene Polymers 0.000 claims description 9
- 244000043261 Hevea brasiliensis Species 0.000 claims description 8
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical group CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 8
- 229920003052 natural elastomer Polymers 0.000 claims description 8
- 229920001194 natural rubber Polymers 0.000 claims description 8
- 229920002367 Polyisobutene Polymers 0.000 claims description 7
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 6
- 125000001931 aliphatic group Chemical group 0.000 claims description 5
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 2
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 2
- VHOQXEIFYTTXJU-UHFFFAOYSA-N Isobutylene-isoprene copolymer Chemical compound CC(C)=C.CC(=C)C=C VHOQXEIFYTTXJU-UHFFFAOYSA-N 0.000 claims description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 2
- 229920002319 Poly(methyl acrylate) Polymers 0.000 claims description 2
- 239000003849 aromatic solvent Substances 0.000 claims description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 2
- 229920001485 poly(butyl acrylate) polymer Polymers 0.000 claims description 2
- 229920000120 polyethyl acrylate Polymers 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 description 22
- 229920001519 homopolymer Polymers 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 229920002959 polymer blend Polymers 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000003756 stirring Methods 0.000 description 10
- 238000007872 degassing Methods 0.000 description 6
- 239000003995 emulsifying agent Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000004159 Potassium persulphate Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- 229920003193 cis-1,4-polybutadiene polymer Polymers 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 4
- 235000019394 potassium persulphate Nutrition 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 3
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000012925 reference material Substances 0.000 description 3
- 229920001897 terpolymer Polymers 0.000 description 3
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 2
- 241001441571 Hiodontidae Species 0.000 description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 229920003244 diene elastomer Polymers 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- VLLYOYVKQDKAHN-UHFFFAOYSA-N buta-1,3-diene;2-methylbuta-1,3-diene Chemical compound C=CC=C.CC(=C)C=C VLLYOYVKQDKAHN-UHFFFAOYSA-N 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
-
- 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
- C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
- C08F291/02—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00 on to elastomers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; 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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- 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
- C08L25/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Graft Or Block Polymers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772722403 DE2722403A1 (de) | 1977-05-17 | 1977-05-17 | Mischungen von kautschuk mit pfropfmischpolymerisaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1600676A true GB1600676A (en) | 1981-10-21 |
Family
ID=6009269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19196/78A Expired GB1600676A (en) | 1977-05-17 | 1978-05-12 | Mixtures of rubber with graft copolymers |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS53141352A (fr) |
| BE (1) | BE867092A (fr) |
| CA (1) | CA1131839A (fr) |
| DE (1) | DE2722403A1 (fr) |
| ES (1) | ES469932A1 (fr) |
| FR (1) | FR2391242B1 (fr) |
| GB (1) | GB1600676A (fr) |
| IT (1) | IT1103146B (fr) |
| NL (1) | NL184689C (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3116494A1 (de) * | 1980-04-28 | 1982-05-06 | Sumitomo Naugatuck, Co., Ltd., Osaka | Elastomere mischung |
| CN111548451A (zh) * | 2020-06-18 | 2020-08-18 | 中国热带农业科学院农产品加工研究所 | 一种高性能橡胶阻尼材料及其制备方法 |
| CN112533990A (zh) * | 2018-07-25 | 2021-03-19 | 电化株式会社 | 橡胶组合物、硫化橡胶和该硫化橡胶的成形品 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA814605B (en) * | 1980-07-14 | 1982-07-28 | Uniroyal Inc | Nitrile rubber/epdm graft blends |
| US4374952A (en) * | 1980-07-14 | 1983-02-22 | Uniroyal, Inc. | Nitrile rubber/EPDM graft blends |
| CN117209947B (zh) * | 2023-09-26 | 2024-03-15 | 广州美村橡胶科技股份有限公司 | 一种水管密封用复合改性三元乙丙橡胶材料及其制备方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3700755A (en) * | 1968-04-27 | 1972-10-24 | Asahi Chemical Ind | Process for producing rubbery polymers |
-
1977
- 1977-05-17 DE DE19772722403 patent/DE2722403A1/de active Granted
-
1978
- 1978-05-12 GB GB19196/78A patent/GB1600676A/en not_active Expired
- 1978-05-15 JP JP5671678A patent/JPS53141352A/ja active Granted
- 1978-05-15 IT IT49346/78A patent/IT1103146B/it active
- 1978-05-15 CA CA303,339A patent/CA1131839A/fr not_active Expired
- 1978-05-16 BE BE187708A patent/BE867092A/fr not_active IP Right Cessation
- 1978-05-16 NL NLAANVRAGE7805263,A patent/NL184689C/xx not_active IP Right Cessation
- 1978-05-17 ES ES469932A patent/ES469932A1/es not_active Expired
- 1978-05-17 FR FR7814620A patent/FR2391242B1/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3116494A1 (de) * | 1980-04-28 | 1982-05-06 | Sumitomo Naugatuck, Co., Ltd., Osaka | Elastomere mischung |
| CN112533990A (zh) * | 2018-07-25 | 2021-03-19 | 电化株式会社 | 橡胶组合物、硫化橡胶和该硫化橡胶的成形品 |
| CN112533990B (zh) * | 2018-07-25 | 2023-07-21 | 电化株式会社 | 橡胶组合物、硫化橡胶和该硫化橡胶的成形品 |
| CN111548451A (zh) * | 2020-06-18 | 2020-08-18 | 中国热带农业科学院农产品加工研究所 | 一种高性能橡胶阻尼材料及其制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT7849346A0 (it) | 1978-05-15 |
| NL184689B (nl) | 1989-05-01 |
| DE2722403A1 (de) | 1978-11-30 |
| IT1103146B (it) | 1985-10-14 |
| ES469932A1 (es) | 1978-12-16 |
| JPS6118578B2 (fr) | 1986-05-13 |
| CA1131839A (fr) | 1982-09-14 |
| NL7805263A (nl) | 1978-11-21 |
| FR2391242A1 (fr) | 1978-12-15 |
| JPS53141352A (en) | 1978-12-09 |
| FR2391242B1 (fr) | 1985-10-25 |
| NL184689C (nl) | 1989-10-02 |
| BE867092A (fr) | 1978-11-16 |
| DE2722403C2 (fr) | 1987-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |