RU2288233C2 - Введение органических инициаторов в процессе падения давления в реакциях полимеризации мономера винилхлорида - Google Patents
Введение органических инициаторов в процессе падения давления в реакциях полимеризации мономера винилхлорида Download PDFInfo
- Publication number
- RU2288233C2 RU2288233C2 RU2004122395/04A RU2004122395A RU2288233C2 RU 2288233 C2 RU2288233 C2 RU 2288233C2 RU 2004122395/04 A RU2004122395/04 A RU 2004122395/04A RU 2004122395 A RU2004122395 A RU 2004122395A RU 2288233 C2 RU2288233 C2 RU 2288233C2
- Authority
- RU
- Russia
- Prior art keywords
- polymerization
- pressure drop
- vinyl chloride
- initiator
- pressure
- Prior art date
Links
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 45
- 239000000178 monomer Substances 0.000 title claims abstract description 26
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 230000000977 initiatory effect Effects 0.000 title description 4
- 239000003795 chemical substances by application Substances 0.000 title description 2
- 229920000642 polymer Polymers 0.000 claims abstract description 21
- 150000001451 organic peroxides Chemical class 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 239000004094 surface-active agent Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000003999 initiator Substances 0.000 description 53
- 239000000084 colloidal system Substances 0.000 description 11
- 150000002978 peroxides Chemical class 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000001681 protective effect Effects 0.000 description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 description 7
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- -1 vinyl halide Chemical class 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000010557 suspension polymerization reaction Methods 0.000 description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
- GTJOHISYCKPIMT-UHFFFAOYSA-N 2-methylundecane Chemical group CCCCCCCCCC(C)C GTJOHISYCKPIMT-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- SGVYKUFIHHTIFL-UHFFFAOYSA-N Isobutylhexyl Natural products CCCCCCCC(C)C SGVYKUFIHHTIFL-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- VKPSKYDESGTTFR-UHFFFAOYSA-N isododecane Natural products CC(C)(C)CC(C)CC(C)(C)C VKPSKYDESGTTFR-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- ZACVGCNKGYYQHA-UHFFFAOYSA-N 2-ethylhexoxycarbonyloxy 2-ethylhexyl carbonate Chemical compound CCCCC(CC)COC(=O)OOC(=O)OCC(CC)CCCC ZACVGCNKGYYQHA-UHFFFAOYSA-N 0.000 description 2
- RPBWMJBZQXCSFW-UHFFFAOYSA-N 2-methylpropanoyl 2-methylpropaneperoxoate Chemical compound CC(C)C(=O)OOC(=O)C(C)C RPBWMJBZQXCSFW-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 239000006174 pH buffer Substances 0.000 description 2
- 125000005634 peroxydicarbonate group Chemical group 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- NOBYOEQUFMGXBP-UHFFFAOYSA-N (4-tert-butylcyclohexyl) (4-tert-butylcyclohexyl)oxycarbonyloxy carbonate Chemical compound C1CC(C(C)(C)C)CCC1OC(=O)OOC(=O)OC1CCC(C(C)(C)C)CC1 NOBYOEQUFMGXBP-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
- RAWISQFSQWIXCW-UHFFFAOYSA-N 2-methylbutan-2-yl 2,2-dimethyloctaneperoxoate Chemical compound CCCCCCC(C)(C)C(=O)OOC(C)(C)CC RAWISQFSQWIXCW-UHFFFAOYSA-N 0.000 description 1
- ZJFIWLHIORUXFS-UHFFFAOYSA-N 2-methylpropanoyl 7-methyloctaneperoxoate Chemical compound CC(C)CCCCCC(=O)OOC(=O)C(C)C ZJFIWLHIORUXFS-UHFFFAOYSA-N 0.000 description 1
- NUIZZJWNNGJSGL-UHFFFAOYSA-N 2-phenylpropan-2-yl 2,2-dimethyloctaneperoxoate Chemical compound CCCCCCC(C)(C)C(=O)OOC(C)(C)c1ccccc1 NUIZZJWNNGJSGL-UHFFFAOYSA-N 0.000 description 1
- XHTYSJNGXYLSLX-UHFFFAOYSA-N 4-methylpentyl 2,2-diethylhexaneperoxoate Chemical compound CCC(C(=O)OOCCCC(C)C)(CCCC)CC XHTYSJNGXYLSLX-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- IQARRNIZJJVLPF-UHFFFAOYSA-N [2-(2,2-dimethylpropanoylperoxy)-4-methylpentan-2-yl] 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)C(=O)OOC(C)(CC(C)C)OOC(=O)C(C)(C)C IQARRNIZJJVLPF-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- CVFDGOLLFYUDSK-UHFFFAOYSA-N bis[(2-methylpropan-2-yl)oxy] ethanediperoxoate Chemical compound CC(C)(C)OOOC(=O)C(=O)OOOC(C)(C)C CVFDGOLLFYUDSK-UHFFFAOYSA-N 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- NSGQRLUGQNBHLD-UHFFFAOYSA-N butan-2-yl butan-2-yloxycarbonyloxy carbonate Chemical compound CCC(C)OC(=O)OOC(=O)OC(C)CC NSGQRLUGQNBHLD-UHFFFAOYSA-N 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- BSVQJWUUZCXSOL-UHFFFAOYSA-N cyclohexylsulfonyl ethaneperoxoate Chemical compound CC(=O)OOS(=O)(=O)C1CCCCC1 BSVQJWUUZCXSOL-UHFFFAOYSA-N 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012703 microemulsion polymerization Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 125000000914 phenoxymethylpenicillanyl group Chemical group CC1(S[C@H]2N([C@H]1C(=O)*)C([C@H]2NC(COC2=CC=CC=C2)=O)=O)C 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010558 suspension polymerization method Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229920003169 water-soluble polymer Polymers 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
- C08F14/00—Homopolymers and 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
- C08F14/02—Monomers containing chlorine
- C08F14/04—Monomers containing two carbon atoms
- C08F14/06—Vinyl chloride
-
- 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
- C08F2/12—Polymerisation in non-solvents
- C08F2/14—Organic medium
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/28—Oxygen or compounds releasing free oxygen
- C08F4/32—Organic compounds
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/28—Oxygen or compounds releasing free oxygen
- C08F4/32—Organic compounds
- C08F4/38—Mixtures of peroxy-compounds
-
- 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
- C08F6/00—Post-polymerisation treatments
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US34243401P | 2001-12-21 | 2001-12-21 | |
| US60/342,434 | 2001-12-21 | ||
| EP02077471A EP1375529A1 (en) | 2002-06-18 | 2002-06-18 | Addition of organic initiators during a pressure drop in vinyl chloride monomer polymerization reactions |
| EP02077471.7 | 2002-06-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2004122395A RU2004122395A (ru) | 2005-03-27 |
| RU2288233C2 true RU2288233C2 (ru) | 2006-11-27 |
Family
ID=26077603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2004122395/04A RU2288233C2 (ru) | 2001-12-21 | 2002-12-17 | Введение органических инициаторов в процессе падения давления в реакциях полимеризации мономера винилхлорида |
Country Status (23)
| Country | Link |
|---|---|
| US (2) | US20050080207A1 (https=) |
| EP (1) | EP1456257B2 (https=) |
| JP (1) | JP4571804B2 (https=) |
| KR (1) | KR100932452B1 (https=) |
| CN (1) | CN1261465C (https=) |
| AR (1) | AR037954A1 (https=) |
| AT (1) | ATE434632T1 (https=) |
| AU (1) | AU2002361137B2 (https=) |
| BR (1) | BR0215239B1 (https=) |
| CA (1) | CA2470817C (https=) |
| CO (1) | CO5590964A2 (https=) |
| DE (1) | DE60232743D1 (https=) |
| ES (1) | ES2328122T5 (https=) |
| HU (1) | HU230963B1 (https=) |
| IL (1) | IL162621A0 (https=) |
| MX (1) | MXPA04006038A (https=) |
| MY (1) | MY139215A (https=) |
| NO (1) | NO344005B1 (https=) |
| PL (1) | PL207290B1 (https=) |
| RU (1) | RU2288233C2 (https=) |
| TW (1) | TWI270553B (https=) |
| WO (1) | WO2003054039A1 (https=) |
| ZA (1) | ZA200405783B (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA77245C2 (uk) * | 2001-12-21 | 2006-11-15 | Акцо Нобель Н.В. | Спосіб полімеризації суміші, яка містить вінілхлоридний мономер |
| TW200424217A (en) * | 2003-05-01 | 2004-11-16 | Akzo Nobel Nv | Increased polymerization reactor output by using a specific initiating system |
| RU2354663C2 (ru) | 2003-06-20 | 2009-05-10 | Акцо Нобель Н.В. | Способ полимеризации, включающий дозировку инициаторов |
| WO2005063824A1 (ja) * | 2003-12-26 | 2005-07-14 | Shin-Etsu Chemical Co., Ltd. | 塩化ビニル系重合体の製造方法 |
| PL2462114T3 (pl) | 2009-08-06 | 2014-07-31 | Akzo Nobel Chemicals Int Bv | Stabilne podczas przechowywania i bezpieczne emulsje nadtlenków o wysokiej zawartości aktywnego tlenu |
| KR101303515B1 (ko) | 2010-03-03 | 2013-09-03 | 주식회사 엘지화학 | 중합 생산성이 우수한 염화비닐계 수지의 현탁 중합방법 |
| AR081664A1 (es) | 2010-06-30 | 2012-10-10 | Akzo Nobel Chemicals Int Bv | Proceso de polimerizacion con formacion in-situ del iniciador |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4015065A (en) * | 1974-05-17 | 1977-03-29 | The British Petroleum Company Limited | Treatment of vinyl halide polymers |
| US4193890A (en) * | 1977-04-06 | 1980-03-18 | Tenneco Chemicals, Inc. | Color stabilizers for vinyl chloride resins |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE247805C (https=) | ||||
| US3325453A (en) * | 1963-10-11 | 1967-06-13 | Ceskoslovenska Akademie Ved | Polymerization method wherein the rate of initiator addition is dependent on the reaction temperature |
| US3451985A (en) * | 1964-03-26 | 1969-06-24 | Monsanto Co | Method of polymerizing vinyl monomers |
| FR2133113A5 (https=) * | 1971-04-08 | 1972-11-24 | Rhone Progil | |
| CA984548A (en) * | 1972-09-05 | 1976-02-24 | Gulf Oil Canada Limited | Method of improving heat stability of emulsion polymerized polyvinyl chloride |
| GB1489866A (en) * | 1973-12-26 | 1977-10-26 | Bp Chem Int Ltd | Polymerisation process |
| NZ204248A (en) * | 1982-06-01 | 1985-04-30 | Ici Australia Ltd | Production of vinyl chloride polymer |
| NO166329C (no) * | 1986-01-22 | 1991-07-03 | Atochem | Vinylklorid-kopolymer og deres fremstilling. |
| JPH07119247B2 (ja) | 1987-12-28 | 1995-12-20 | 日本ゼオン株式会社 | 塩化ビニル系重合体の製造法 |
| JPH0411606A (ja) * | 1990-05-01 | 1992-01-16 | Shin Etsu Chem Co Ltd | 塩化ビニル系重合体の製造方法 |
| JPH0782304A (ja) * | 1993-09-13 | 1995-03-28 | Shin Etsu Chem Co Ltd | 塩化ビニル系重合体の製造方法 |
| US5739222A (en) * | 1995-07-05 | 1998-04-14 | Shin-Etsu Chemical Co., Ltd. | Process for preparing vinyl chloride polymer under specified vapor pressure |
| JP3317830B2 (ja) * | 1995-11-22 | 2002-08-26 | 信越化学工業株式会社 | 塩化ビニル系重合体の製造方法 |
| JPH11106408A (ja) * | 1997-04-01 | 1999-04-20 | Sekisui Chem Co Ltd | 塩化ビニル系単量体の懸濁重合方法 |
| ID29411A (id) * | 1998-09-21 | 2001-08-30 | Akzo Nobel Nv | Pengukuran kontinyu dari pemulai yang sangat cepat selama reaksi polimerisasi |
| JP2000230018A (ja) * | 1999-02-08 | 2000-08-22 | Mitsui Chemicals Inc | 塩化ビニル系樹脂の製造方法 |
| RU2178799C2 (ru) | 1999-06-09 | 2002-01-27 | ОАО "Капролактам" | Способ получения суспензионного поливинилхлорида |
| UA77245C2 (uk) * | 2001-12-21 | 2006-11-15 | Акцо Нобель Н.В. | Спосіб полімеризації суміші, яка містить вінілхлоридний мономер |
| EP1375529A1 (en) | 2002-06-18 | 2004-01-02 | Akzo Nobel N.V. | Addition of organic initiators during a pressure drop in vinyl chloride monomer polymerization reactions |
| DE10210195B4 (de) † | 2002-03-07 | 2005-12-15 | Schwarz Pharma Ag | Verwendung von 1,3-Diazaspiro-[4,5]decan-2,4-dithion zur Behandlung von Schmerz |
| ATE335012T1 (de) * | 2002-04-12 | 2006-08-15 | Akzo Nobel Nv | Co-dosierung von organischen initiatoren und schutzcolloiden während polymerisationsreaktionen |
-
2002
- 2002-12-17 KR KR1020047009743A patent/KR100932452B1/ko not_active Expired - Lifetime
- 2002-12-17 IL IL16262102A patent/IL162621A0/xx unknown
- 2002-12-17 US US10/497,993 patent/US20050080207A1/en not_active Abandoned
- 2002-12-17 ES ES02796654T patent/ES2328122T5/es not_active Expired - Lifetime
- 2002-12-17 BR BRPI0215239-8A patent/BR0215239B1/pt active IP Right Grant
- 2002-12-17 CA CA2470817A patent/CA2470817C/en not_active Expired - Fee Related
- 2002-12-17 WO PCT/EP2002/014371 patent/WO2003054039A1/en not_active Ceased
- 2002-12-17 CN CNB028258134A patent/CN1261465C/zh not_active Expired - Lifetime
- 2002-12-17 PL PL370796A patent/PL207290B1/pl unknown
- 2002-12-17 EP EP02796654.8A patent/EP1456257B2/en not_active Expired - Lifetime
- 2002-12-17 RU RU2004122395/04A patent/RU2288233C2/ru active
- 2002-12-17 HU HU0402472A patent/HU230963B1/hu unknown
- 2002-12-17 AU AU2002361137A patent/AU2002361137B2/en not_active Ceased
- 2002-12-17 DE DE60232743T patent/DE60232743D1/de not_active Expired - Lifetime
- 2002-12-17 JP JP2003554752A patent/JP4571804B2/ja not_active Expired - Lifetime
- 2002-12-17 AT AT02796654T patent/ATE434632T1/de not_active IP Right Cessation
- 2002-12-17 MX MXPA04006038A patent/MXPA04006038A/es active IP Right Grant
- 2002-12-19 AR ARP020105043A patent/AR037954A1/es not_active Application Discontinuation
- 2002-12-20 TW TW091136799A patent/TWI270553B/zh not_active IP Right Cessation
- 2002-12-20 MY MYPI20024808A patent/MY139215A/en unknown
-
2004
- 2004-06-17 CO CO04056932A patent/CO5590964A2/es active IP Right Grant
- 2004-07-20 NO NO20043104A patent/NO344005B1/no not_active IP Right Cessation
- 2004-07-20 ZA ZA2004/05783A patent/ZA200405783B/en unknown
-
2008
- 2008-03-07 US US12/044,768 patent/US7834110B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4015065A (en) * | 1974-05-17 | 1977-03-29 | The British Petroleum Company Limited | Treatment of vinyl halide polymers |
| US4193890A (en) * | 1977-04-06 | 1980-03-18 | Tenneco Chemicals, Inc. | Color stabilizers for vinyl chloride resins |
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| SK3982001A3 (en) | Continuous dosing of very fast initiators during polymerization reactions | |
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| JP4632665B2 (ja) | 重合反応の間の有機開始剤及び保護コロイドの同時計量供給 | |
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| Date | Code | Title | Description |
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| QB4A | Licence on use of patent |
Effective date: 20080820 |
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| QB4A | Licence on use of patent |
Effective date: 20091006 |
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| PC41 | Official registration of the transfer of exclusive right |
Effective date: 20180314 |
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| QZ41 | Official registration of changes to a registered agreement (patent) |
Free format text: LICENCE FORMERLY AGREED ON 20080820 Effective date: 20180810 |