DE2509552C2 - Terephthalat von 2,2'-Methylen-bis(4-methyl-6-tert.-butylphenol) sowie dessen Verwendung - Google Patents
Terephthalat von 2,2'-Methylen-bis(4-methyl-6-tert.-butylphenol) sowie dessen VerwendungInfo
- Publication number
- DE2509552C2 DE2509552C2 DE19752509552 DE2509552A DE2509552C2 DE 2509552 C2 DE2509552 C2 DE 2509552C2 DE 19752509552 DE19752509552 DE 19752509552 DE 2509552 A DE2509552 A DE 2509552A DE 2509552 C2 DE2509552 C2 DE 2509552C2
- Authority
- DE
- Germany
- Prior art keywords
- polypropylene
- mixture
- hpm
- tert
- product
- 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
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 title claims description 3
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 title description 3
- -1 tert-butyl tert-butyl Chemical group 0.000 claims description 35
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 31
- 239000004743 Polypropylene Substances 0.000 description 27
- 229920001155 polypropylene Polymers 0.000 description 27
- 239000013065 commercial product Substances 0.000 description 15
- 239000000047 product Substances 0.000 description 15
- 239000003963 antioxidant agent Substances 0.000 description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
- 239000000843 powder Substances 0.000 description 11
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 9
- 230000003078 antioxidant effect Effects 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 9
- 238000006731 degradation reaction Methods 0.000 description 9
- 229920000098 polyolefin Polymers 0.000 description 9
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 8
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 description 8
- 239000003508 Dilauryl thiodipropionate Substances 0.000 description 8
- 235000019304 dilauryl thiodipropionate Nutrition 0.000 description 8
- 229930185605 Bisphenol Natural products 0.000 description 7
- 150000005690 diesters Chemical class 0.000 description 7
- 230000032683 aging Effects 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 5
- 238000011105 stabilization Methods 0.000 description 5
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical class C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000002845 discoloration Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- IIVWHGMLFGNMOW-UHFFFAOYSA-N 2-methylpropane Chemical compound C[C](C)C IIVWHGMLFGNMOW-UHFFFAOYSA-N 0.000 description 1
- ODJQKYXPKWQWNK-UHFFFAOYSA-N 3,3'-Thiobispropanoic acid Chemical compound OC(=O)CCSCCC(O)=O ODJQKYXPKWQWNK-UHFFFAOYSA-N 0.000 description 1
- 240000001114 Aniseia martinicensis Species 0.000 description 1
- UTGQNNCQYDRXCH-UHFFFAOYSA-N N,N'-diphenyl-1,4-phenylenediamine Chemical compound C=1C=C(NC=2C=CC=CC=2)C=CC=1NC1=CC=CC=C1 UTGQNNCQYDRXCH-UHFFFAOYSA-N 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 150000008366 benzophenones Chemical class 0.000 description 1
- FQUNFJULCYSSOP-UHFFFAOYSA-N bisoctrizole Chemical compound N1=C2C=CC=CC2=NN1C1=CC(C(C)(C)CC(C)(C)C)=CC(CC=2C(=C(C=C(C=2)C(C)(C)CC(C)(C)C)N2N=C3C=CC=CC3=N2)O)=C1O FQUNFJULCYSSOP-UHFFFAOYSA-N 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N distearyl thiodipropionate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical compound [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 239000012747 synergistic agent Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- ILWRPSCZWQJDMK-UHFFFAOYSA-N triethylazanium;chloride Chemical compound Cl.CCN(CC)CC ILWRPSCZWQJDMK-UHFFFAOYSA-N 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C301/00—Esters of sulfurous acid
- C07C301/02—Esters of sulfurous acid having sulfite groups bound to carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/34—Esters of acyclic saturated polycarboxylic acids having an esterified carboxyl group bound to an acyclic carbon atom
- C07C69/44—Adipic acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/34—Esters of acyclic saturated polycarboxylic acids having an esterified carboxyl group bound to an acyclic carbon atom
- C07C69/48—Azelaic acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
- C07C69/82—Terephthalic acid esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/19—Hydroxy compounds containing aromatic rings
- C08G63/193—Hydroxy compounds containing aromatic rings containing two or more aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7408403A FR2264002B1 (en:Method) | 1974-03-12 | 1974-03-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2509552A1 DE2509552A1 (de) | 1975-09-18 |
| DE2509552C2 true DE2509552C2 (de) | 1984-08-09 |
Family
ID=9136200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752509552 Expired DE2509552C2 (de) | 1974-03-12 | 1975-03-05 | Terephthalat von 2,2'-Methylen-bis(4-methyl-6-tert.-butylphenol) sowie dessen Verwendung |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5110854A (en:Method) |
| BE (1) | BE826513A (en:Method) |
| CA (1) | CA1047523A (en:Method) |
| CH (1) | CH605579A5 (en:Method) |
| DE (1) | DE2509552C2 (en:Method) |
| DK (1) | DK150612C (en:Method) |
| FR (1) | FR2264002B1 (en:Method) |
| GB (1) | GB1453916A (en:Method) |
| IE (1) | IE40739B1 (en:Method) |
| IT (1) | IT1030320B (en:Method) |
| LU (1) | LU72011A1 (en:Method) |
| NL (1) | NL178416C (en:Method) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5825108B2 (ja) * | 1975-09-02 | 1983-05-25 | シプロカセイ カブシキガイシヤ | ポリウレタンの変色防止法 |
| DE2820716A1 (de) | 1977-05-23 | 1978-12-07 | Sandoz Ag | Karbonate und urethane von 2,2'-alkylenoder cycloalkylen- bis-2,4-disubstituiertem phenol, deren herstellung und verwendung als antioxydantien in polymeren organischen materialien |
| US4427737A (en) * | 1981-04-23 | 1984-01-24 | E. R. Squibb & Sons, Inc. | Microporous adhesive tape |
| FR2540504B1 (fr) * | 1983-02-07 | 1986-03-07 | Solvay | Procede pour la sterilisation par irradiation de compositions polyolefiniques, compositions polyolefiniques ainsi sterilisees et articles faconnes a partir de ces compositions |
| DE3370319D1 (en) * | 1983-12-13 | 1987-04-23 | Sumitomo Chemical Co | Method for producing bisphenol derivatives |
| JPS62139213U (en:Method) * | 1986-02-26 | 1987-09-02 | ||
| JPS62139212U (en:Method) * | 1986-02-26 | 1987-09-02 | ||
| JPS62186610U (en:Method) * | 1986-05-14 | 1987-11-27 | ||
| JPS63209A (ja) * | 1986-05-25 | 1988-01-05 | 鋤柄農機株式会社 | 深層施肥機に於ける溝切り装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1089168B (de) * | 1957-06-03 | 1960-09-15 | Bayer Ag | Verfahren zur Herstellung von Alterungsschutzmitteln |
| US3038878A (en) * | 1960-07-29 | 1962-06-12 | Eastman Kodak Co | Heat-stable poly-alpha-olefin compositions |
| FR1379593A (fr) * | 1963-01-21 | 1964-11-20 | Shell Int Research | Nouveaux composés de stabilisation à la lumière, procédé pour leur préparation et nouvelles compositions de polymères stables à la lumière |
| NL130435C (en:Method) * | 1963-08-30 | |||
| US3629322A (en) * | 1969-02-17 | 1971-12-21 | Buckman Labor Inc | Organic esters and their use as ultraviolet light absorbers and as heat stabilizers |
| US3907939A (en) * | 1969-06-16 | 1975-09-23 | Ashland Oil Inc | Phosphite esters of hindered phenols |
| JPS5111650B2 (en:Method) * | 1972-04-05 | 1976-04-13 |
-
1974
- 1974-03-12 FR FR7408403A patent/FR2264002B1/fr not_active Expired
-
1975
- 1975-03-03 GB GB871975A patent/GB1453916A/en not_active Expired
- 1975-03-05 DE DE19752509552 patent/DE2509552C2/de not_active Expired
- 1975-03-05 IE IE47875A patent/IE40739B1/xx unknown
- 1975-03-10 LU LU72011A patent/LU72011A1/xx unknown
- 1975-03-11 BE BE2054196A patent/BE826513A/xx not_active IP Right Cessation
- 1975-03-11 NL NL7502888A patent/NL178416C/xx not_active IP Right Cessation
- 1975-03-11 IT IT6761675A patent/IT1030320B/it active
- 1975-03-11 CA CA221,861A patent/CA1047523A/en not_active Expired
- 1975-03-12 JP JP3064375A patent/JPS5110854A/ja active Granted
- 1975-03-12 CH CH313675A patent/CH605579A5/xx not_active IP Right Cessation
- 1975-03-12 DK DK100175A patent/DK150612C/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5110854A (ja) | 1976-01-28 |
| BE826513A (fr) | 1975-06-30 |
| FR2264002B1 (en:Method) | 1977-09-23 |
| LU72011A1 (en:Method) | 1975-08-20 |
| JPS5618019B2 (en:Method) | 1981-04-25 |
| DE2509552A1 (de) | 1975-09-18 |
| IE40739L (en) | 1975-09-12 |
| CA1047523A (en) | 1979-01-30 |
| FR2264002A1 (en:Method) | 1975-10-10 |
| IT1030320B (it) | 1979-03-30 |
| DK150612B (da) | 1987-04-21 |
| DK150612C (da) | 1987-11-23 |
| NL178416B (nl) | 1985-10-16 |
| IE40739B1 (en) | 1979-08-01 |
| CH605579A5 (en:Method) | 1978-09-29 |
| NL7502888A (nl) | 1975-09-16 |
| NL178416C (nl) | 1986-03-17 |
| GB1453916A (en) | 1976-10-27 |
| DK100175A (en:Method) | 1975-09-13 |
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