GB703252A - Novel copolymers and compositions containing the same - Google Patents
Novel copolymers and compositions containing the sameInfo
- Publication number
- GB703252A GB703252A GB18714/50A GB1871450A GB703252A GB 703252 A GB703252 A GB 703252A GB 18714/50 A GB18714/50 A GB 18714/50A GB 1871450 A GB1871450 A GB 1871450A GB 703252 A GB703252 A GB 703252A
- Authority
- GB
- United Kingdom
- Prior art keywords
- copolymers
- ratio
- alkenes
- esters
- chlorinated
- 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
- 229920001577 copolymer Polymers 0.000 title abstract 10
- 239000000203 mixture Substances 0.000 title abstract 3
- 150000001336 alkenes Chemical group 0.000 abstract 5
- 239000000178 monomer Substances 0.000 abstract 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 3
- 125000004432 carbon atom Chemical group C* 0.000 abstract 3
- 150000002148 esters Chemical class 0.000 abstract 3
- 238000006116 polymerization reaction Methods 0.000 abstract 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 2
- OSDWBNJEKMUWAV-UHFFFAOYSA-N Allyl chloride Chemical compound ClCC=C OSDWBNJEKMUWAV-UHFFFAOYSA-N 0.000 abstract 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 abstract 2
- 150000001298 alcohols Chemical class 0.000 abstract 2
- 150000001299 aldehydes Chemical class 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 239000000839 emulsion Substances 0.000 abstract 2
- 229910052736 halogen Inorganic materials 0.000 abstract 2
- 150000002367 halogens Chemical group 0.000 abstract 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 abstract 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 abstract 1
- OHXAOPZTJOUYKM-UHFFFAOYSA-N 3-Chloro-2-methylpropene Chemical compound CC(=C)CCl OHXAOPZTJOUYKM-UHFFFAOYSA-N 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 abstract 1
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical class CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 abstract 1
- IEPRKVQEAMIZSS-UHFFFAOYSA-N Di-Et ester-Fumaric acid Natural products CCOC(=O)C=CC(=O)OCC IEPRKVQEAMIZSS-UHFFFAOYSA-N 0.000 abstract 1
- IEPRKVQEAMIZSS-WAYWQWQTSA-N Diethyl maleate Chemical compound CCOC(=O)\C=C/C(=O)OCC IEPRKVQEAMIZSS-WAYWQWQTSA-N 0.000 abstract 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000005977 Ethylene Substances 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 abstract 1
- 239000004159 Potassium persulphate Substances 0.000 abstract 1
- 229910000564 Raney nickel Inorganic materials 0.000 abstract 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 abstract 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 abstract 1
- 150000001412 amines Chemical class 0.000 abstract 1
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 150000001721 carbon Chemical group 0.000 abstract 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 abstract 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 abstract 1
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 abstract 1
- 239000003995 emulsifying agent Substances 0.000 abstract 1
- 150000002170 ethers Chemical class 0.000 abstract 1
- CVUNPKSKGHPMSY-UHFFFAOYSA-N ethyl 2-chloroprop-2-enoate Chemical compound CCOC(=O)C(Cl)=C CVUNPKSKGHPMSY-UHFFFAOYSA-N 0.000 abstract 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 abstract 1
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 150000002828 nitro derivatives Chemical class 0.000 abstract 1
- -1 octene-1 Chemical compound 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 235000005985 organic acids Nutrition 0.000 abstract 1
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N pentanal Chemical compound CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 abstract 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 abstract 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 abstract 1
- 235000019394 potassium persulphate Nutrition 0.000 abstract 1
- QJZNRCWAXUGABH-UHFFFAOYSA-N propyl 2-chloroacetate Chemical compound CCCOC(=O)CCl QJZNRCWAXUGABH-UHFFFAOYSA-N 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 235000010265 sodium sulphite Nutrition 0.000 abstract 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract 1
- 229920002554 vinyl polymer Polymers 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/24—Details of cameras or camera bodies; Accessories therefor with means for separately producing marks on the film, e.g. title, time of exposure
- G03B17/245—Optical means
-
- 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
- C08F2/00—Processes of polymerisation
-
- 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
- C08F218/00—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
- C08F218/02—Esters of monocarboxylic acids
- C08F218/04—Vinyl esters
- C08F218/08—Vinyl acetate
-
- 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
- C08F218/00—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
- C08F218/02—Esters of monocarboxylic acids
- C08F218/12—Esters of monocarboxylic acids with unsaturated alcohols containing three or more carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—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 halogen; Compositions of derivatives of such polymers
- C08L27/02—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 halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—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 halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—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 halogen; Compositions of derivatives of such polymers
- C08L27/02—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 halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—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 halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL147822A NL72274C (en, 2012) | 1949-07-26 | 1949-07-26 | |
| NL155694A NL76554C (en, 2012) | 1949-07-26 | 1950-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB703252A true GB703252A (en) | 1954-02-03 |
Family
ID=42224763
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18714/50A Expired GB703252A (en) | 1949-07-26 | 1950-07-26 | Novel copolymers and compositions containing the same |
| GB18738/50A Expired GB703253A (en) | 1949-07-26 | 1950-07-26 | A process for the preparation of copolymers and compositions containing the same |
| GB17623/51A Expired GB703287A (en) | 1949-07-26 | 1951-07-25 | Novel copolymers, process for producing and compositions containing the same |
| GB20131/51A Expired GB709226A (en) | 1949-07-26 | 1951-08-27 | Improvements in or relating to copolymers of unsaturated esters and alkenes and their use as plasticisers |
| GB20838/51A Expired GB703291A (en) | 1949-07-26 | 1951-09-04 | Novel copolymers and compositions containing the same |
| GB20837/51A Expired GB703290A (en) | 1949-07-26 | 1951-09-04 | Novel copolymers and compositions containing the same |
| GB21622/51A Expired GB703293A (en) | 1949-07-26 | 1951-09-14 | Novel copolymers, process for producing, and compositions containing the same |
Family Applications After (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18738/50A Expired GB703253A (en) | 1949-07-26 | 1950-07-26 | A process for the preparation of copolymers and compositions containing the same |
| GB17623/51A Expired GB703287A (en) | 1949-07-26 | 1951-07-25 | Novel copolymers, process for producing and compositions containing the same |
| GB20131/51A Expired GB709226A (en) | 1949-07-26 | 1951-08-27 | Improvements in or relating to copolymers of unsaturated esters and alkenes and their use as plasticisers |
| GB20838/51A Expired GB703291A (en) | 1949-07-26 | 1951-09-04 | Novel copolymers and compositions containing the same |
| GB20837/51A Expired GB703290A (en) | 1949-07-26 | 1951-09-04 | Novel copolymers and compositions containing the same |
| GB21622/51A Expired GB703293A (en) | 1949-07-26 | 1951-09-14 | Novel copolymers, process for producing, and compositions containing the same |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2756219A (en, 2012) |
| BE (3) | BE497195A (en, 2012) |
| DE (4) | DE953836C (en, 2012) |
| FR (4) | FR1023874A (en, 2012) |
| GB (7) | GB703252A (en, 2012) |
| NL (3) | NL72274C (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2913439A (en) * | 1955-12-01 | 1959-11-17 | Shell Dev | Hydroxy-containing copolymers and their preparation |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL104304C (en, 2012) * | 1957-02-08 | |||
| US3046258A (en) * | 1959-04-24 | 1962-07-24 | Standard Oil Co | Diallyl alkyl esters of benzenepolycarboxylic acids |
| BE594994A (en, 2012) * | 1959-09-14 | |||
| US3085994A (en) * | 1959-10-30 | 1963-04-16 | Sinclair Research Inc | Chain terminated copolymer of styrene and maleic anhydride of low solution viscosity |
| US3178395A (en) * | 1959-10-30 | 1965-04-13 | Sinclair Research Inc | Method for polymerizing vinyl monomers and maleic anhydride |
| US3056768A (en) * | 1959-12-29 | 1962-10-02 | Air Reduction | Vinyl chloride copolymers and methods of making the same |
| US3133884A (en) * | 1960-08-22 | 1964-05-19 | Monsanto Chemicals | Coating composition containing a liquid phosphate ester, a thermoplastic resin and asiliceous material |
| US3627812A (en) * | 1964-07-31 | 1971-12-14 | Air Prod & Chem | Cotelomers of vinyl esters of lower alkanoic acids |
| US4184993A (en) * | 1975-09-18 | 1980-01-22 | Rohm And Haas Company | Plasticizer, plasticized resin composition and process for preparation thereof |
| DE2639804A1 (de) * | 1975-09-18 | 1977-03-31 | Rohm & Haas | Polymere |
| US4399248A (en) * | 1977-05-04 | 1983-08-16 | Rohm And Haas Company | Plasticizer, plasticized resin composition and process for preparation thereof |
| DE3136931A1 (de) * | 1981-09-17 | 1983-04-07 | Akzo Gmbh, 5600 Wuppertal | Copolymere aus (alpha)-(beta)-ungesaettigten dicarbonsaeureestern, verfahren zu deren herstellung sowie deren verwendung als gleitmittel fuer die kunststoffverarbeitung |
| US4656233A (en) * | 1984-11-29 | 1987-04-07 | E. I. Du Pont De Nemours And Company | "Living" polymers and chain transfer-regulated polymerization process |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE463774A (en, 2012) * | 1942-04-10 | |||
| US2402484A (en) * | 1943-06-14 | 1946-06-18 | Shell Dev | Catalytic polymerization of unsaturated esters |
| US2427640A (en) * | 1944-02-01 | 1947-09-16 | Shell Dev | Polymerizable esters and polymers thereof |
| US2446121A (en) * | 1944-10-10 | 1948-07-27 | Shell Dev | Compositions of polymeric plasticizers and organic plastic materials |
| US2448259A (en) * | 1944-10-16 | 1948-08-31 | Shell Dev | Unsaturated esters of substituted adipic acid and their production |
| NL64140C (en, 2012) * | 1946-06-15 | |||
| US2570788A (en) * | 1948-02-17 | 1951-10-09 | Socony Vacuum Oil Co Inc | Synthetic lubricants |
-
1949
- 1949-07-26 NL NL147822A patent/NL72274C/xx active
-
1950
- 1950-07-18 DE DEN3845A patent/DE953836C/de not_active Expired
- 1950-07-26 FR FR1023874D patent/FR1023874A/fr not_active Expired
- 1950-07-26 GB GB18714/50A patent/GB703252A/en not_active Expired
- 1950-07-26 BE BE497195D patent/BE497195A/xx unknown
- 1950-07-26 GB GB18738/50A patent/GB703253A/en not_active Expired
- 1950-08-29 NL NL155694A patent/NL76554C/xx active
- 1950-09-06 NL NL155870A patent/NL75728C/xx active
-
1951
- 1951-07-23 BE BE504800D patent/BE504800A/xx unknown
- 1951-07-23 FR FR62753D patent/FR62753E/fr not_active Expired
- 1951-07-24 DE DEN4211A patent/DE967485C/de not_active Expired
- 1951-07-25 GB GB17623/51A patent/GB703287A/en not_active Expired
- 1951-08-27 BE BE505474D patent/BE505474A/xx unknown
- 1951-08-27 FR FR64205D patent/FR64205E/fr not_active Expired
- 1951-08-27 GB GB20131/51A patent/GB709226A/en not_active Expired
- 1951-08-28 DE DEN4349A patent/DE967486C/de not_active Expired
- 1951-08-31 US US244736A patent/US2756219A/en not_active Expired - Lifetime
- 1951-09-04 GB GB20838/51A patent/GB703291A/en not_active Expired
- 1951-09-04 GB GB20837/51A patent/GB703290A/en not_active Expired
- 1951-09-14 GB GB21622/51A patent/GB703293A/en not_active Expired
- 1951-09-14 FR FR64206D patent/FR64206E/fr not_active Expired
- 1951-09-16 DE DEN4435A patent/DE967487C/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2913439A (en) * | 1955-12-01 | 1959-11-17 | Shell Dev | Hydroxy-containing copolymers and their preparation |
Also Published As
| Publication number | Publication date |
|---|---|
| FR64205E (fr) | 1955-11-02 |
| NL75728C (en, 2012) | 1953-11-16 |
| DE967485C (de) | 1957-11-14 |
| GB709226A (en) | 1954-05-19 |
| FR1023874A (fr) | 1953-03-25 |
| BE504800A (en, 2012) | 1952-08-14 |
| FR64206E (fr) | 1955-11-02 |
| GB703293A (en) | 1954-02-03 |
| BE497195A (en, 2012) | 1950-08-24 |
| DE967487C (de) | 1957-11-14 |
| DE967486C (de) | 1957-11-14 |
| US2756219A (en) | 1956-07-24 |
| DE953836C (de) | 1956-12-06 |
| NL76554C (en, 2012) | 1954-02-15 |
| GB703291A (en) | 1954-02-03 |
| GB703287A (en) | 1954-02-03 |
| NL72274C (en, 2012) | 1952-06-16 |
| BE505474A (en, 2012) | 1951-09-15 |
| GB703290A (en) | 1954-02-03 |
| GB703253A (en) | 1954-02-03 |
| FR62753E (fr) | 1955-06-20 |
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