FR2280659A1 - Procede pour eliminer le formaldehyde odorant des polyoxymethylenes stabilises et faconnes - Google Patents

Procede pour eliminer le formaldehyde odorant des polyoxymethylenes stabilises et faconnes

Info

Publication number: FR2280659A1
Authority: FR; France
Prior art keywords: odoring; polyoxymethylenes; formaldehyde; stabilized; shaped
Prior art date: 1974-07-29
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.): Granted

Application number

FR7523485A

Other languages

English (en)

Other versions

FR2280659B1 (fr

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

BASF SE

Original Assignee

BASF SE

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.)

1974-07-29

Filing date

1975-07-28

Publication date

1976-02-27

1975-07-28 Application filed by BASF SE filed Critical BASF SE

1976-02-27 Publication of FR2280659A1 publication Critical patent/FR2280659A1/fr

1981-06-19 Application granted granted Critical

1981-06-19 Publication of FR2280659B1 publication Critical patent/FR2280659B1/fr

Status Granted legal-status Critical Current

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
- C08G2/28—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)
Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

FR7523485A 1974-07-29 1975-07-28 Procede pour eliminer le formaldehyde odorant des polyoxymethylenes stabilises et faconnes Granted FR2280659A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2436384A DE2436384A1 (de)	1974-07-29	1974-07-29	Verfahren zur entfernung von geruchsbildendem formaldehyd aus stabilisierten geformten polyoxymethylenen

Publications (2)

Publication Number	Publication Date
FR2280659A1 true FR2280659A1 (fr)	1976-02-27
FR2280659B1 FR2280659B1 (fr)	1981-06-19

Family

ID=5921793

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7523485A Granted FR2280659A1 (fr)	1974-07-29	1975-07-28	Procede pour eliminer le formaldehyde odorant des polyoxymethylenes stabilises et faconnes

Country Status (11)

Country	Link
US (1)	US4055547A (fr)
JP (1)	JPS5137182A (fr)
BE (1)	BE831877A (fr)
CH (1)	CH595403A5 (fr)
DE (1)	DE2436384A1 (fr)
DK (1)	DK341375A (fr)
FR (1)	FR2280659A1 (fr)
GB (1)	GB1506781A (fr)
IT (1)	IT1040957B (fr)
NL (1)	NL180434C (fr)
SE (1)	SE7508452L (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2436796A1 (fr) *	1978-09-19	1980-04-18	Degussa	Procede pour la preparation de matieres a mouler a base de copolymeres d'oxymethylene avec une faible proportion de formaldehyde
EP0673955A2 (fr) *	1994-03-22	1995-09-27	Degussa Aktiengesellschaft	Procédé de traitement de polyoxyméthylène brut

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS57154686A (en) *	1981-03-19	1982-09-24	Matsushita Electric Ind Co Ltd	Magnetic tape cassette

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3477993A (en) *	1966-04-01	1969-11-11	Du Pont	Vapor-phase base clean-up of polyoxymethylene
US3488303A (en) *	1967-05-22	1970-01-06	Celanese Corp	Stabilization of oxymethylene polymers
US3718630A (en) *	1970-05-04	1973-02-27	Du Pont	Stabilization of polyoxymethylene

1974
- 1974-07-29 DE DE2436384A patent/DE2436384A1/de not_active Ceased
1975
- 1975-06-20 US US05/588,819 patent/US4055547A/en not_active Expired - Lifetime
- 1975-07-16 IT IT50547/75A patent/IT1040957B/it active
- 1975-07-24 SE SE7508452A patent/SE7508452L/xx unknown
- 1975-07-25 CH CH975075A patent/CH595403A5/xx not_active IP Right Cessation
- 1975-07-25 NL NLAANVRAGE7508917,A patent/NL180434C/xx not_active IP Right Cessation
- 1975-07-25 JP JP50090331A patent/JPS5137182A/ja active Pending
- 1975-07-28 GB GB31447/75A patent/GB1506781A/en not_active Expired
- 1975-07-28 FR FR7523485A patent/FR2280659A1/fr active Granted
- 1975-07-28 DK DK341375A patent/DK341375A/da unknown
- 1975-07-29 BE BE158740A patent/BE831877A/fr unknown

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2436796A1 (fr) *	1978-09-19	1980-04-18	Degussa	Procede pour la preparation de matieres a mouler a base de copolymeres d'oxymethylene avec une faible proportion de formaldehyde
EP0673955A2 (fr) *	1994-03-22	1995-09-27	Degussa Aktiengesellschaft	Procédé de traitement de polyoxyméthylène brut
EP0673955A3 (fr) *	1994-03-22	1995-10-18	Degussa
US5541284A (en) *	1994-03-22	1996-07-30	Dequssa Aktiengesellschaft	Method for processing crude polyoxymethylene

Also Published As

Publication number	Publication date
GB1506781A (en)	1978-04-12
FR2280659B1 (fr)	1981-06-19
US4055547A (en)	1977-10-25
NL180434B (nl)	1986-09-16
DE2436384A1 (de)	1976-02-12
DK341375A (da)	1976-01-30
JPS5137182A (en)	1976-03-29
SE7508452L (sv)	1976-01-30
CH595403A5 (fr)	1978-02-15
IT1040957B (it)	1979-12-20
NL180434C (nl)	1987-02-16
NL7508917A (nl)	1976-02-02
BE831877A (fr)	1976-01-29

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Legal Events

Date	Code	Title	Description
1994-05-27	ST	Notification of lapse