CH623833A5 - Process for aqueous dispersion polymerisation of halogenated vinyl monomers - Google Patents
Process for aqueous dispersion polymerisation of halogenated vinyl monomers Download PDFInfo
- Publication number
- CH623833A5 CH623833A5 CH1081477A CH1081477A CH623833A5 CH 623833 A5 CH623833 A5 CH 623833A5 CH 1081477 A CH1081477 A CH 1081477A CH 1081477 A CH1081477 A CH 1081477A CH 623833 A5 CH623833 A5 CH 623833A5
- Authority
- CH
- Switzerland
- Prior art keywords
- polymerization
- anions
- derived
- halogenated vinyl
- crusting
- Prior art date
Links
- 239000000178 monomer Substances 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 25
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 title claims description 16
- 239000006185 dispersion Substances 0.000 title claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 58
- 239000003112 inhibitor Substances 0.000 claims description 28
- 150000001450 anions Chemical class 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 12
- 150000007524 organic acids Chemical class 0.000 claims description 12
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical group ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 235000002906 tartaric acid Nutrition 0.000 claims description 8
- 239000011975 tartaric acid Substances 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 235000005985 organic acids Nutrition 0.000 claims description 6
- 150000001735 carboxylic acids Chemical class 0.000 claims description 4
- 239000007870 radical polymerization initiator Substances 0.000 claims description 3
- 239000007900 aqueous suspension Substances 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims 2
- 150000001447 alkali salts Chemical class 0.000 claims 2
- 150000003863 ammonium salts Chemical class 0.000 claims 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 18
- 206010039509 Scab Diseases 0.000 description 18
- 229920000642 polymer Polymers 0.000 description 11
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 10
- 239000003995 emulsifying agent Substances 0.000 description 8
- 239000002270 dispersing agent Substances 0.000 description 7
- 239000003999 initiator Substances 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 235000006408 oxalic acid Nutrition 0.000 description 6
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009931 harmful effect Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000013529 heat transfer fluid Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- 239000001358 L(+)-tartaric acid Substances 0.000 description 2
- 235000011002 L(+)-tartaric acid Nutrition 0.000 description 2
- FEWJPZIEWOKRBE-LWMBPPNESA-N L-(+)-Tartaric acid Natural products OC(=O)[C@@H](O)[C@H](O)C(O)=O FEWJPZIEWOKRBE-LWMBPPNESA-N 0.000 description 2
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- -1 allyl acetate Chemical compound 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- BSVQJWUUZCXSOL-UHFFFAOYSA-N cyclohexylsulfonyl ethaneperoxoate Chemical compound CC(=O)OOS(=O)(=O)C1CCCCC1 BSVQJWUUZCXSOL-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000010907 mechanical stirring Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 125000005634 peroxydicarbonate group Chemical group 0.000 description 2
- 239000003505 polymerization initiator Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000010526 radical polymerization reaction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000010557 suspension polymerization reaction Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 description 1
- BPOVRAAUERBWFK-UHFFFAOYSA-N 1-hydroxycyclohexane-1-carboxylic acid Chemical compound OC(=O)C1(O)CCCCC1 BPOVRAAUERBWFK-UHFFFAOYSA-N 0.000 description 1
- ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 2,3-dimethylbutane Chemical group CC(C)C(C)C ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 0.000 description 1
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- MOMKYJPSVWEWPM-UHFFFAOYSA-N 4-(chloromethyl)-2-(4-methylphenyl)-1,3-thiazole Chemical compound C1=CC(C)=CC=C1C1=NC(CCl)=CS1 MOMKYJPSVWEWPM-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical class 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 description 1
- FEWJPZIEWOKRBE-XIXRPRMCSA-N Mesotartaric acid Chemical compound OC(=O)[C@@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-XIXRPRMCSA-N 0.000 description 1
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical class [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- INLLPKCGLOXCIV-UHFFFAOYSA-N bromoethene Chemical compound BrC=C INLLPKCGLOXCIV-UHFFFAOYSA-N 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- JBSLOWBPDRZSMB-FPLPWBNLSA-N dibutyl (z)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C/C(=O)OCCCC JBSLOWBPDRZSMB-FPLPWBNLSA-N 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000012674 dispersion polymerization Methods 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- CWINGZLCRSDKCL-UHFFFAOYSA-N ethoxycarbonyloxy ethyl carbonate Chemical compound CCOC(=O)OOC(=O)OCC CWINGZLCRSDKCL-UHFFFAOYSA-N 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010101 extrusion blow moulding Methods 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- HVAMZGADVCBITI-UHFFFAOYSA-M pent-4-enoate Chemical compound [O-]C(=O)CCC=C HVAMZGADVCBITI-UHFFFAOYSA-M 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000843 powder Substances 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
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 229910052708 sodium Chemical class 0.000 description 1
- 239000011734 sodium Chemical class 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 235000019983 sodium metaphosphate Nutrition 0.000 description 1
- YNBRSWNUNPAQOF-UHFFFAOYSA-M sodium;phenylmethanesulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC1=CC=CC=C1 YNBRSWNUNPAQOF-UHFFFAOYSA-M 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000004711 α-olefin 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
- C08F2/00—Processes of polymerisation
- C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
- C08F2/005—Scale prevention in a polymerisation reactor or its auxiliary parts by addition of a scale inhibitor to the polymerisation medium
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU75733A LU75733A1 (enrdf_load_stackoverflow) | 1976-09-06 | 1976-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH623833A5 true CH623833A5 (en) | 1981-06-30 |
Family
ID=19728345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1081477A CH623833A5 (en) | 1976-09-06 | 1977-09-05 | Process for aqueous dispersion polymerisation of halogenated vinyl monomers |
Country Status (18)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2845569A1 (de) * | 1978-10-19 | 1980-04-30 | Wacker Chemie Gmbh | Verfahren zur herstellung von vinylhalogenidhomo- und -copolymerisaten |
| DE2912571A1 (de) * | 1979-03-29 | 1980-10-09 | Basf Ag | Verfahren zur polymerisation von vinylchlorid |
| DE3029907A1 (de) | 1980-08-07 | 1982-03-18 | Hoechst Ag, 6000 Frankfurt | Kontinuierliches verfahren und vorrichtung zur herstellung eines vinylchlorid-polymerisates in waessriger suspension |
| IT1137506B (it) * | 1981-03-13 | 1986-09-10 | Anic Spa | Composizione per il rivestimento delle pareti dei reattori e delle apparecchiature collegate,destinate alla polimerizzazione di composti vinilici,idonea ad evitare o ridurre depositi ed incrostazioni delle stesse apparecchiature e metodo per la sua utilizzazione |
| DE3401158A1 (de) * | 1984-01-14 | 1985-07-18 | Hoechst Ag, 6230 Frankfurt | Verfahren zur polymerisation von vinylchlorid |
| DE4024150A1 (de) * | 1990-07-30 | 1992-02-06 | Basf Ag | Waessrige polymerisatdispersionen |
| EP0805168B1 (en) * | 1996-04-30 | 2000-11-08 | Shin-Etsu Chemical Co., Ltd. | Vinyl chloride polymer |
| JP2002155107A (ja) * | 2000-11-21 | 2002-05-28 | Shin Etsu Chem Co Ltd | 塩化ビニル系重合体の製造方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5345836B2 (enrdf_load_stackoverflow) * | 1974-04-26 | 1978-12-09 | ||
| JPS5227492A (en) * | 1975-08-28 | 1977-03-01 | Chisso Corp | Process for preparing a vinyl chloride polymer |
| JPS52110794A (en) * | 1976-03-13 | 1977-09-17 | Chisso Corp | Preparation of vinyl chloride polymers |
| JPS52128984A (en) * | 1976-04-22 | 1977-10-28 | Chisso Corp | Preparation of vinyl chloride polymers by suspension polymerization |
-
1976
- 1976-09-06 LU LU75733A patent/LU75733A1/xx unknown
-
1977
- 1977-08-26 IT IT27000/77A patent/IT1085020B/it active
- 1977-08-26 BE BE180436A patent/BE858123A/xx not_active IP Right Cessation
- 1977-08-31 CA CA000285848A patent/CA1116793A/fr not_active Expired
- 1977-09-01 SE SE7709855A patent/SE435629C/xx not_active IP Right Cessation
- 1977-09-01 NZ NZ185072A patent/NZ185072A/xx unknown
- 1977-09-01 FI FI772603A patent/FI62319C/fi not_active IP Right Cessation
- 1977-09-02 AU AU28495/77A patent/AU507246B2/en not_active Expired
- 1977-09-02 ZA ZA00775325A patent/ZA775325B/xx unknown
- 1977-09-02 NL NLAANVRAGE7709698,A patent/NL185845C/xx not_active IP Right Cessation
- 1977-09-02 DE DE2739708A patent/DE2739708C2/de not_active Expired
- 1977-09-05 GB GB36946/77A patent/GB1554499A/en not_active Expired
- 1977-09-05 ES ES462112A patent/ES462112A1/es not_active Expired
- 1977-09-05 NO NO773062A patent/NO150722C/no unknown
- 1977-09-05 CH CH1081477A patent/CH623833A5/fr not_active IP Right Cessation
- 1977-09-05 AT AT637877A patent/AT360232B/de not_active IP Right Cessation
- 1977-09-05 JP JP10656277A patent/JPS5331788A/ja active Granted
- 1977-09-05 FR FR7727044A patent/FR2363586A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1554499A (en) | 1979-10-24 |
| ATA637877A (de) | 1980-05-15 |
| AU2849577A (en) | 1979-03-08 |
| FR2363586B1 (enrdf_load_stackoverflow) | 1980-04-04 |
| NL185845B (nl) | 1990-03-01 |
| ZA775325B (en) | 1978-07-26 |
| SE435629B (sv) | 1984-10-08 |
| NZ185072A (en) | 1978-09-20 |
| FI62319C (fi) | 1982-12-10 |
| NO773062L (no) | 1978-03-07 |
| DE2739708C2 (de) | 1986-03-13 |
| NL7709698A (nl) | 1978-03-08 |
| NO150722B (no) | 1984-08-27 |
| FR2363586A1 (fr) | 1978-03-31 |
| SE7709855L (sv) | 1978-03-07 |
| JPS6129966B2 (enrdf_load_stackoverflow) | 1986-07-10 |
| DE2739708A1 (de) | 1978-03-09 |
| LU75733A1 (enrdf_load_stackoverflow) | 1978-04-27 |
| AT360232B (de) | 1980-12-29 |
| AU507246B2 (en) | 1980-02-07 |
| FI772603A7 (fi) | 1978-03-07 |
| BE858123A (fr) | 1978-02-27 |
| ES462112A1 (es) | 1978-06-01 |
| FI62319B (fi) | 1982-08-31 |
| JPS5331788A (en) | 1978-03-25 |
| CA1116793A (fr) | 1982-01-19 |
| IT1085020B (it) | 1985-05-28 |
| NL185845C (nl) | 1990-08-01 |
| NO150722C (no) | 1987-01-20 |
| SE435629C (sv) | 1986-05-26 |
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