NO764340L - Fremgangsm}te for stabilisering av sammensetninger p} basis av vinylkloridpolymerer - Google Patents
Fremgangsm}te for stabilisering av sammensetninger p} basis av vinylkloridpolymererInfo
- Publication number
- NO764340L NO764340L NO764340A NO764340A NO764340L NO 764340 L NO764340 L NO 764340L NO 764340 A NO764340 A NO 764340A NO 764340 A NO764340 A NO 764340A NO 764340 L NO764340 L NO 764340L
- Authority
- NO
- Norway
- Prior art keywords
- carbon atoms
- vinyl chloride
- group containing
- compositions
- copolymer
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims description 35
- 229920000642 polymer Polymers 0.000 title claims description 18
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims description 17
- 238000000034 method Methods 0.000 title claims description 9
- 230000006641 stabilisation Effects 0.000 title description 3
- 238000011105 stabilization Methods 0.000 title description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 17
- 229920001577 copolymer Polymers 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 10
- 125000003342 alkenyl group Chemical group 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 150000002894 organic compounds Chemical class 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 2
- 150000001661 cadmium Chemical class 0.000 claims description 2
- 159000000007 calcium salts Chemical class 0.000 claims description 2
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 235000005985 organic acids Nutrition 0.000 claims description 2
- 150000003751 zinc Chemical class 0.000 claims description 2
- MJDMFCNBBJYPMH-UHFFFAOYSA-N 1-phenyltriacontane-1,3-dione Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)CC(=O)C1=CC=CC=C1 MJDMFCNBBJYPMH-UHFFFAOYSA-N 0.000 claims 1
- 159000000009 barium salts Chemical class 0.000 claims 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 239000003381 stabilizer Substances 0.000 description 11
- 238000002156 mixing Methods 0.000 description 7
- -1 diacetates Chemical class 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 229920000915 polyvinyl chloride Polymers 0.000 description 5
- 239000004800 polyvinyl chloride Substances 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 229920001519 homopolymer Polymers 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 238000004383 yellowing Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical class [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000010557 suspension polymerization reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 3
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- ZKHOYAKAFALNQD-UHFFFAOYSA-N Octacosanoic acid methyl ester Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)OC ZKHOYAKAFALNQD-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000008116 calcium stearate Substances 0.000 description 2
- 235000013539 calcium stearate Nutrition 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KIHBGTRZFAVZRV-UHFFFAOYSA-N 2-hydroxyoctadecanoic acid Chemical class CCCCCCCCCCCCCCCCC(O)C(O)=O KIHBGTRZFAVZRV-UHFFFAOYSA-N 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical class [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241001131688 Coracias garrulus Species 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 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
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical class [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives 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
- 238000004458 analytical method Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical class [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 description 1
- 150000001558 benzoic acid derivatives Chemical class 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical class CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- SHZIWNPUGXLXDT-UHFFFAOYSA-N ethyl hexanoate Chemical class CCCCCC(=O)OCC SHZIWNPUGXLXDT-UHFFFAOYSA-N 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 229920005570 flexible polymer Polymers 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 150000002689 maleic acids Chemical class 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 238000006053 organic reaction Methods 0.000 description 1
- 150000002942 palmitic acid derivatives Chemical class 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/455—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation with carboxylic acids or their derivatives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/07—Aldehydes; Ketones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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)
- Laminated Bodies (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7614863A FR2351149A2 (fr) | 1976-05-10 | 1976-05-10 | Compositions stabilisees a base de chlorure de polyvinyle |
Publications (1)
Publication Number | Publication Date |
---|---|
NO764340L true NO764340L (no) | 1977-11-11 |
Family
ID=9173240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO764340A NO764340L (no) | 1976-05-10 | 1976-12-22 | Fremgangsm}te for stabilisering av sammensetninger p} basis av vinylkloridpolymerer |
Country Status (18)
Country | Link |
---|---|
JP (1) | JPS52136248A (it) |
AT (1) | AT346076B (it) |
AU (1) | AU2016776A (it) |
BE (1) | BE848449R (it) |
CH (1) | CH609078A5 (it) |
DD (1) | DD127312A6 (it) |
DE (1) | DE2652408C3 (it) |
DK (1) | DK574876A (it) |
FI (1) | FI763315A (it) |
FR (1) | FR2351149A2 (it) |
GB (1) | GB1532319A (it) |
IT (1) | IT1123634B (it) |
LU (1) | LU76199A1 (it) |
NL (1) | NL167452C (it) |
NO (1) | NO764340L (it) |
NZ (1) | NZ182753A (it) |
SE (1) | SE415569B (it) |
ZA (1) | ZA767150B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS559664A (en) * | 1978-07-07 | 1980-01-23 | Adeka Argus Chem Co Ltd | Stabilized halogen-containing resin composition |
FR2456132A2 (fr) * | 1979-05-10 | 1980-12-05 | Rhone Poulenc Ind | Compositions stabilisees a base de chlorure de polyvinyle |
JP2623271B2 (ja) * | 1987-12-20 | 1997-06-25 | 日本合成化学工業株式会社 | 含ハロゲン熱可塑性樹脂組成物 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2307075A (en) * | 1940-08-02 | 1943-01-05 | Carbide And Carbon Chemicais C | Vinyl resin composition |
US2669548A (en) * | 1951-01-02 | 1954-02-16 | Monsanto Chemicals | Stabilized halogen-containing resins |
NL302084A (it) * | 1963-07-02 | |||
NL131106C (it) * | 1964-01-22 | |||
CH464521A (de) * | 1965-05-21 | 1968-10-31 | Carlisle Chemical Works | Verfahren zur Aufhebung der Lichtempfindlichkeit von plastischen Massen, die Antimon- oder Wismutverbindungen enthalten |
FR1480549A (fr) * | 1965-05-21 | 1967-05-12 | Carlisle Chemical Works | Compositions résineuses stabilisées contenant des composés métalliques |
US3492267A (en) * | 1966-12-02 | 1970-01-27 | Grace W R & Co | Stabilizing poly(vinyl chloride) |
FR2297227A1 (fr) * | 1975-01-10 | 1976-08-06 | Rhone Poulenc Ind | Compositions stabilisees a base de chlorure de polyvinyle |
CS196295B2 (en) * | 1975-01-10 | 1980-03-31 | Rhone Poulenc Ind | Stabilized materials based on polymers or copolymers vinylchloride |
FR2324681A2 (fr) * | 1975-09-22 | 1977-04-15 | Rhone Poulenc Ind | Compositions stabilisees a base de chlorure de polyvinyle |
-
1976
- 1976-05-10 FR FR7614863A patent/FR2351149A2/fr active Granted
- 1976-11-15 LU LU76199A patent/LU76199A1/xx unknown
- 1976-11-17 DE DE2652408A patent/DE2652408C3/de not_active Expired
- 1976-11-17 BE BE172456A patent/BE848449R/xx not_active IP Right Cessation
- 1976-11-18 FI FI763315A patent/FI763315A/fi not_active Application Discontinuation
- 1976-11-19 CH CH1459076A patent/CH609078A5/xx not_active IP Right Cessation
- 1976-11-23 NL NL7613051.A patent/NL167452C/xx not_active IP Right Cessation
- 1976-11-24 GB GB49009/76A patent/GB1532319A/en not_active Expired
- 1976-11-25 DD DD195965A patent/DD127312A6/xx unknown
- 1976-11-29 IT IT29903/76A patent/IT1123634B/it active
- 1976-11-29 NZ NZ182753A patent/NZ182753A/xx unknown
- 1976-11-30 ZA ZA00767150A patent/ZA767150B/xx unknown
- 1976-12-01 AU AU20167/76A patent/AU2016776A/en not_active Expired
- 1976-12-01 AT AT891376A patent/AT346076B/de active
- 1976-12-15 SE SE7614121A patent/SE415569B/xx unknown
- 1976-12-21 DK DK574876A patent/DK574876A/da unknown
- 1976-12-22 NO NO764340A patent/NO764340L/no unknown
-
1977
- 1977-01-31 JP JP962077A patent/JPS52136248A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ZA767150B (en) | 1978-08-30 |
NL167452C (nl) | 1981-12-16 |
AU2016776A (en) | 1978-06-08 |
SE415569B (sv) | 1980-10-13 |
GB1532319A (en) | 1978-11-15 |
ATA891376A (de) | 1978-02-15 |
SE7614121L (sv) | 1977-11-11 |
CH609078A5 (en) | 1979-02-15 |
DE2652408B2 (de) | 1978-09-14 |
IT1123634B (it) | 1986-04-30 |
DD127312A6 (it) | 1977-09-14 |
DE2652408C3 (de) | 1986-03-27 |
AT346076B (de) | 1978-10-25 |
DK574876A (da) | 1977-11-11 |
BE848449R (fr) | 1977-05-17 |
LU76199A1 (it) | 1977-12-13 |
FR2351149A2 (fr) | 1977-12-09 |
JPS52136248A (en) | 1977-11-14 |
NL167452B (nl) | 1981-07-16 |
FR2351149B2 (it) | 1980-09-19 |
NZ182753A (en) | 1979-12-11 |
FI763315A (it) | 1977-11-11 |
NL7613051A (nl) | 1977-11-14 |
DE2652408A1 (de) | 1977-11-17 |
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