BE845781A - Procede de preparation de polymeres a motifs oxymethylenes - Google Patents

Procede de preparation de polymeres a motifs oxymethylenes

Info

Publication number: BE845781A
Authority: BE; Belgium
Prior art keywords: oxymethylene; patterns; preparing polymers; polymers; preparing
Prior art date: 1975-09-02

Application number

BE170295A

Other languages

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.)

1975-09-02

Filing date

1976-09-02

Publication date

1977-03-02

1976-09-02 Application filed filed Critical

1977-03-02 Publication of BE845781A publication Critical patent/BE845781A/xx

Classifications

- 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
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/18—Copolymerisation of aldehydes or ketones
- 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
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/10—Polymerisation of cyclic oligomers of formaldehyde

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)

BE170295A 1975-09-02 1976-09-02 Procede de preparation de polymeres a motifs oxymethylenes BE845781A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19752538954 DE2538954A1 (de)	1975-09-02	1975-09-02	Verfahren zur herstellung von oxymethylenpolymeren

Publications (1)

Publication Number	Publication Date
BE845781A true BE845781A (fr)	1977-03-02

Family

ID=5955389

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE170295A BE845781A (fr)	1975-09-02	1976-09-02	Procede de preparation de polymeres a motifs oxymethylenes

Country Status (12)

Country	Link
US (1)	US4082729A (nl)
JP (1)	JPS5229889A (nl)
BE (1)	BE845781A (nl)
CA (1)	CA1113641A (nl)
DE (1)	DE2538954A1 (nl)
DK (1)	DK395176A (nl)
FR (1)	FR2322887A1 (nl)
GB (1)	GB1534592A (nl)
IE (1)	IE43421B1 (nl)
IT (1)	IT1065213B (nl)
LU (1)	LU75693A1 (nl)
NL (1)	NL7609561A (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3151814A1 (de) *	1981-12-29	1983-07-07	Hoechst Ag, 6230 Frankfurt	"fuellstoff enthaltende kunststoff-formmasse, verfahren zu ihrer herstellung sowie deren verwendung"
JPS59129664A (ja) *	1983-01-18	1984-07-26	Fujikoshi Kikai Kogyo Kk	自動定寸装置付ラツプ盤
JPS6213318A (ja) *	1985-07-11	1987-01-22	Asahi Chem Ind Co Ltd	２軸延伸ポリオキシメチレンフイルムの製造方法
DE10082068C5 (de) *	1999-07-01	2009-02-05	Asahi Kasei Kabushiki Kaisha	Niedermolekulares Oxymethylen-Polymeres und Zusammensetzung mit einem Gehalt an diesem Polymeren und Verfahren zur Herstellung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL254120A (nl) *	1959-07-30
DE1134833B (de) *	1959-08-07	1962-08-16	Hoechst Ag	Verfahren zur katalytischen Polymerisation von 1, 3, 6-Trioxa-cycloalkanen
NL7016775A (en) *	1970-11-16	1972-05-18		Trioxane copolymers prepared in the pres- - ence of alkylene carbonates

1975
- 1975-09-02 DE DE19752538954 patent/DE2538954A1/de not_active Withdrawn
1976
- 1976-08-27 NL NL7609561A patent/NL7609561A/nl not_active Application Discontinuation
- 1976-08-31 LU LU75693A patent/LU75693A1/xx unknown
- 1976-08-31 IT IT26720/76A patent/IT1065213B/it active
- 1976-08-31 US US05/719,078 patent/US4082729A/en not_active Expired - Lifetime
- 1976-08-31 JP JP51103272A patent/JPS5229889A/ja active Pending
- 1976-09-01 CA CA260,319A patent/CA1113641A/en not_active Expired
- 1976-09-01 DK DK395176A patent/DK395176A/da not_active Application Discontinuation
- 1976-09-01 IE IE1946/76A patent/IE43421B1/en unknown
- 1976-09-02 FR FR7626481A patent/FR2322887A1/fr active Granted
- 1976-09-02 BE BE170295A patent/BE845781A/xx not_active IP Right Cessation
- 1976-09-02 GB GB36406/76A patent/GB1534592A/en not_active Expired

Also Published As

Publication number	Publication date
JPS5229889A (en)	1977-03-07
US4082729A (en)	1978-04-04
NL7609561A (nl)	1977-03-04
IE43421B1 (en)	1981-02-25
FR2322887B1 (nl)	1982-03-12
DK395176A (da)	1977-03-03
DE2538954A1 (de)	1977-03-10
IT1065213B (it)	1985-02-25
CA1113641A (en)	1981-12-01
GB1534592A (en)	1978-12-06
LU75693A1 (nl)	1977-04-27
IE43421L (en)	1977-03-02
FR2322887A1 (fr)	1977-04-01

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Legal Events

Date	Code	Title	Description
1985-03-31	RE	Patent lapsed	Owner name: HOECHST A.G. Effective date: 19840902

Date

Code

Title

Description

1985-03-31

Patent lapsed

Owner name: HOECHST A.G.

Effective date: 19840902