SE430169C - Etentereftalatplastkomposition innehallande armerings- eller fyllmedel samt anvendning herav - Google Patents

Etentereftalatplastkomposition innehallande armerings- eller fyllmedel samt anvendning herav

Info

Publication number: SE430169C
Authority: SE; Sweden
Prior art keywords: weight; component; plastic composition; composition according; polyethylene terephthalate
Prior art date: 1978-02-28

Application number

SE7901350A

Other languages

English (en)

Swedish (sv)

Other versions

SE7901350L (sv

SE430169B (sv

Inventor

E J Deyrup

Original Assignee

Du Pont

Priority date (The priority date 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 date listed.)

1978-02-28

Filing date

1979-02-15

Publication date

1985-07-22

1979-02-15 Application filed by Du Pont filed Critical Du Pont

1979-08-29 Publication of SE7901350L publication Critical patent/SE7901350L/xx

1983-10-24 Publication of SE430169B publication Critical patent/SE430169B/sv

1985-07-22 Publication of SE430169C publication Critical patent/SE430169C/sv

Links

239000000203 mixture Substances 0.000 title claims description 40
229920003023 plastic Polymers 0.000 title claims description 19
239000004033 plastic Substances 0.000 title claims description 19
230000002787 reinforcement Effects 0.000 title claims description 6
239000000126 substance Substances 0.000 title description 2
238000004806 packaging method and process Methods 0.000 title 1
-1 polyethylene terephthalate Polymers 0.000 claims description 21
229920000139 polyethylene terephthalate Polymers 0.000 claims description 19
239000005020 polyethylene terephthalate Substances 0.000 claims description 19
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 14
239000000463 material Substances 0.000 claims description 12
125000004432 carbon atom Chemical group C* 0.000 claims description 10
150000001875 compounds Chemical class 0.000 claims description 9
239000004215 Carbon black (E152) Substances 0.000 claims description 8
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 claims description 8
229930195733 hydrocarbon Natural products 0.000 claims description 8
239000011734 sodium Substances 0.000 claims description 8
229920001577 copolymer Polymers 0.000 claims description 7
150000002148 esters Chemical class 0.000 claims description 7
229910052708 sodium Inorganic materials 0.000 claims description 6
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 5
239000005977 Ethylene Substances 0.000 claims description 5
239000000945 filler Substances 0.000 claims description 5
239000003365 glass fiber Substances 0.000 claims description 5
239000010445 mica Substances 0.000 claims description 4
229910052618 mica group Inorganic materials 0.000 claims description 4
150000002895 organic esters Chemical class 0.000 claims description 4
229920000620 organic polymer Polymers 0.000 claims description 4
239000004593 Epoxy Substances 0.000 claims description 3
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 3
150000001336 alkenes Chemical class 0.000 claims description 3
XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 claims description 3
159000000000 sodium salts Chemical class 0.000 claims description 3
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 claims description 2
150000007933 aliphatic carboxylic acids Chemical class 0.000 claims description 2
150000002430 hydrocarbons Chemical class 0.000 claims description 2
238000004519 manufacturing process Methods 0.000 claims description 2
229910001414 potassium ion Inorganic materials 0.000 claims description 2
229910001415 sodium ion Inorganic materials 0.000 claims description 2
DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 1
150000001735 carboxylic acids Chemical class 0.000 claims 1
JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 4
229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 4
229920003145 methacrylic acid copolymer Polymers 0.000 description 4
RCGZRZBMXNWTFH-UHFFFAOYSA-N 2-[2-(2-octanoyloxyethoxy)ethoxy]ethyl decanoate Chemical compound CCCCCCCCCC(=O)OCCOCCOCCOC(=O)CCCCCCC RCGZRZBMXNWTFH-UHFFFAOYSA-N 0.000 description 3
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
239000002253 acid Substances 0.000 description 3
239000000654 additive Substances 0.000 description 3
150000001298 alcohols Chemical class 0.000 description 3
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 3
239000003795 chemical substances by application Substances 0.000 description 3
238000004455 differential thermal analysis Methods 0.000 description 3
238000002844 melting Methods 0.000 description 3
230000008018 melting Effects 0.000 description 3
229940117841 methacrylic acid copolymer Drugs 0.000 description 3
238000000465 moulding Methods 0.000 description 3
150000003839 salts Chemical class 0.000 description 3
235000007319 Avena orientalis Nutrition 0.000 description 2
244000075850 Avena orientalis Species 0.000 description 2
DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
238000002425 crystallisation Methods 0.000 description 2
230000008025 crystallization Effects 0.000 description 2
230000035622 drinking Effects 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
239000011521 glass Substances 0.000 description 2
230000000704 physical effect Effects 0.000 description 2
RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 1
229930185605 Bisphenol Natural products 0.000 description 1
BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Natural products OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 description 1
230000002411 adverse Effects 0.000 description 1
125000001931 aliphatic group Chemical group 0.000 description 1
125000000217 alkyl group Chemical group 0.000 description 1
125000002947 alkylene group Chemical group 0.000 description 1
JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
239000003963 antioxidant agent Substances 0.000 description 1
239000010425 asbestos Substances 0.000 description 1
239000011324 bead Substances 0.000 description 1
229940106691 bisphenol a Drugs 0.000 description 1
235000005911 diet Nutrition 0.000 description 1
230000000378 dietary effect Effects 0.000 description 1
239000000975 dye Substances 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
239000011152 fibreglass Substances 0.000 description 1
239000003063 flame retardant Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000004611 light stabiliser Substances 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
238000000034 method Methods 0.000 description 1
238000002156 mixing Methods 0.000 description 1
239000002530 phenolic antioxidant Substances 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
159000000001 potassium salts Chemical class 0.000 description 1
239000012744 reinforcing agent Substances 0.000 description 1
230000003014 reinforcing effect Effects 0.000 description 1
229910052895 riebeckite Inorganic materials 0.000 description 1
238000007493 shaping process Methods 0.000 description 1
KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1

Classifications

- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/40—Glass
- 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
- C08K5/10—Esters; Ether-esters
- 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
- C08K5/10—Esters; Ether-esters
- C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Compositions Of Macromolecular Compounds (AREA)

SE7901350A 1978-02-28 1979-02-15 Etentereftalatplastkomposition innehallande armerings- eller fyllmedel samt anvendning herav SE430169C (sv)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US88221978A	1978-02-28	1978-02-28
US929579A	1979-02-05	1979-02-05

Publications (3)

Publication Number	Publication Date
SE7901350L SE7901350L (sv)	1979-08-29
SE430169B SE430169B (sv)	1983-10-24
SE430169C true SE430169C (sv)	1985-07-22

Family

ID=26679300

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7901350A SE430169C (sv)	1978-02-28	1979-02-15	Etentereftalatplastkomposition innehallande armerings- eller fyllmedel samt anvendning herav

Country Status (16)

Country	Link
JP (1)	JPS54139654A (fr)
AU (1)	AU520709B2 (fr)
BE (1)	BE874469A (fr)
BR (1)	BR7901205A (fr)
CA (1)	CA1133644A (fr)
CH (1)	CH644617A5 (fr)
DD (1)	DD142200A5 (fr)
DE (1)	DE2907779C2 (fr)
FR (1)	FR2418255A1 (fr)
GB (1)	GB2015013B (fr)
IT (1)	IT1207175B (fr)
LU (1)	LU80980A1 (fr)
NL (1)	NL174473C (fr)
PL (1)	PL120158B1 (fr)
RO (1)	RO78149A (fr)
SE (1)	SE430169C (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4223113A (en)	1976-11-23	1980-09-16	Bayer Aktiengesellschaft	Polyester compositions which crystallize rapidly
ATE7396T1 (de)	1979-09-21	1984-05-15	Imperial Chemical Industries Plc	Schnell kristallisierbare zusammensetzung auf der basis eines blockcopolyesters.
EP0029930B1 (fr) *	1979-11-19	1984-02-15	Bayer Ag	Utilisation de masses à mouler à base de polyéthylène téréphtalate et un imide organique dans la préparation de corps moulés cristallins par moulage par injection à basse temperature de moule
EP0031201A3 (fr)	1979-12-12	1981-07-15	Imperial Chemical Industries Plc	Compositions de polyester à cristallisation rapide
US4338243A (en) *	1980-05-07	1982-07-06	E. I. Du Pont De Nemours And Company	Polyethylene terephthalate blends
US4316866A (en)	1980-09-26	1982-02-23	R. Martin & Associates	Process and apparatus involving a cutting wire spooling system for cutting brick and tile
US4327007A (en) *	1980-12-22	1982-04-27	Allied Chemical Corporation	Polyethylene terephthalate composition containing aliphatic plasticizer and nucleating agent
US4357268A (en)	1980-12-29	1982-11-02	Allied Corporation	Nucleation agents for crystalline polymers
JPS6479256A (en) *	1981-03-05	1989-03-24	Kuraray Co	Polyester resin composition of excellent moldability
US4366273A (en) *	1981-05-11	1982-12-28	Allied Corporation	Polyester composition with mixed metal ion nucleating agents
US4349503A (en)	1981-05-15	1982-09-14	Allied Corporation	Polyester compositions containing sodium nitrite
US4539352A (en) *	1981-08-21	1985-09-03	Ethyl Corporation	Injection-moldable thermoplastic polyester composition
CA1220594A (fr) *	1981-08-21	1987-04-14	James Y.J. Chung	Compositions de polyester a caracteristiques superieures de demoulage apres moulage par injection a basse temperature
US4486561A (en) *	1981-08-21	1984-12-04	Ethyl Corporation	Injection-moldable thermoplastic polyester composition
US4533679A (en) *	1982-06-28	1985-08-06	Mobay Chemical Corporation	Reinforced polyester composition having an improved strength
GB2124637A (en) *	1982-08-03	1984-02-22	Bip Chemicals Ltd	Polyethylene terephthalate moulding compositions
US4511527A (en) *	1982-12-16	1985-04-16	Celanese Corporation	Alkali metal salts of cross-linked polymeric microgels as nucleating agents for polyethylene terephthalate molding compositions and method for molding
US4451606A (en) *	1983-02-23	1984-05-29	General Electric Company	Copolymeric nucleating agent for polyester
EP0146104A3 (fr) *	1983-12-19	1986-08-06	Mobay Corporation	Compositions thermoplastiques de moulage à base de polyester ayant de bonnes propriétes de démoulage
US4581410A (en) *	1984-01-09	1986-04-08	Monsanto Company	Hot melt adhesive compositions
US4548996A (en) *	1984-01-09	1985-10-22	Monsanto Company	Hot melt adhesive compositions
WO1985003717A1 (fr) *	1984-02-24	1985-08-29	E. I. Du Pont De Nemours And Company	Resine polyester a cristallisation rapide contenant un systeme de cristallisation a trois composants
US4548978A (en) *	1984-02-24	1985-10-22	E. I. Du Pont De Nemours And Company	Fast crystallizing polyester resin containing three-component crystallization system
IT1216472B (it) *	1988-02-29	1990-03-08	Montefibre Spa	Composizioni poliestere a rapida cristallizzazione.
PL228921B1 (pl)	2015-12-23	2018-05-30	R&D Centre Inventor Spolka Z Ograniczona Odpowiedzialnoscia	Konstrukcja sieczkarni do zbioru roślin energetycznych

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3639527A (en) *	1967-09-05	1972-02-01	Hoechst Ag	Polyester-ionic copolymer thermoplastic moulding compositions
US3533994A (en) *	1968-02-20	1970-10-13	Fmc Corp	Stabilized polyesters
US3516957A (en) *	1968-04-29	1970-06-23	Eastman Kodak Co	Thermoplastic polyester composition containing organic ester mold release agent
BE757093A (fr) *	1969-10-06	1971-04-06	Hoechst Ag	Matieres a mouler thermoplastiques a base de polyesters
AU500523B2 (en) *	1975-12-08	1979-05-24	General Electric Company	Thermoplastic molding composition

1979
- 1979-02-15 SE SE7901350A patent/SE430169C/sv not_active IP Right Cessation
- 1979-02-23 BR BR7901205A patent/BR7901205A/pt unknown
- 1979-02-26 AU AU44593/79A patent/AU520709B2/en not_active Ceased
- 1979-02-26 FR FR7904844A patent/FR2418255A1/fr active Granted
- 1979-02-27 CA CA322,519A patent/CA1133644A/fr not_active Expired
- 1979-02-27 IT IT7920605A patent/IT1207175B/it active
- 1979-02-27 JP JP2149679A patent/JPS54139654A/ja active Granted
- 1979-02-27 DD DD79211260A patent/DD142200A5/de unknown
- 1979-02-27 BE BE0/193709A patent/BE874469A/fr not_active IP Right Cessation
- 1979-02-27 CH CH192779A patent/CH644617A5/de not_active IP Right Cessation
- 1979-02-28 RO RO7996739A patent/RO78149A/fr unknown
- 1979-02-28 PL PL1979213791A patent/PL120158B1/pl unknown
- 1979-02-28 GB GB7907033A patent/GB2015013B/en not_active Expired
- 1979-02-28 NL NLAANVRAGE7901609,A patent/NL174473C/xx not_active IP Right Cessation
- 1979-02-28 DE DE2907779A patent/DE2907779C2/de not_active Expired
- 1979-02-28 LU LU80980A patent/LU80980A1/fr unknown

Also Published As

Publication number	Publication date
NL7901609A (nl)	1979-08-30
SE7901350L (sv)	1979-08-29
DE2907779A1 (de)	1979-09-06
BR7901205A (pt)	1979-10-02
IT1207175B (it)	1989-05-17
JPS54139654A (en)	1979-10-30
FR2418255B1 (fr)	1981-01-30
NL174473C (nl)	1988-08-16
JPS5547059B2 (fr)	1980-11-27
AU520709B2 (en)	1982-02-25
GB2015013A (en)	1979-09-05
PL213791A1 (fr)	1979-12-03
BE874469A (fr)	1979-08-27
IT7920605A0 (it)	1979-02-27
CH644617A5 (de)	1984-08-15
AU4459379A (en)	1980-01-03
FR2418255A1 (fr)	1979-09-21
GB2015013B (en)	1982-06-03
LU80980A1 (fr)	1979-09-07
DD142200A5 (de)	1980-06-11
RO78149A (fr)	1982-04-12
DE2907779C2 (de)	1982-06-09
CA1133644A (fr)	1982-10-12
NL174473B (nl)	1984-01-16
PL120158B1 (en)	1982-02-27
SE430169B (sv)	1983-10-24

Legal Events

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1995-01-31

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