DE68911910T2 - Process for inhibiting the polymerization of styrenes. - Google Patents

Process for inhibiting the polymerization of styrenes.

Info

Publication number
DE68911910T2
DE68911910T2 DE1989611910 DE68911910T DE68911910T2 DE 68911910 T2 DE68911910 T2 DE 68911910T2 DE 1989611910 DE1989611910 DE 1989611910 DE 68911910 T DE68911910 T DE 68911910T DE 68911910 T2 DE68911910 T2 DE 68911910T2
Authority
DE
Germany
Prior art keywords
styrenes
inhibiting
polymerization
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 - Fee Related
Application number
DE1989611910
Other languages
German (de)
Other versions
DE68911910D1 (en
Inventor
Hideyuki Takahashi
Shohei Suzuki
Tomohiko Takahama
Tadamichi Aoki
Yoshikazu Higaki
Karl Trukenbrod
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.)
Evonik Operations GmbH
Mitsubishi Chemical Corp
Original Assignee
Huels AG
Chemische Werke Huels AG
Mitsubishi Petrochemical Co Ltd
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.)
Filing date
Publication date
Application filed by Huels AG, Chemische Werke Huels AG, Mitsubishi Petrochemical Co Ltd filed Critical Huels AG
Priority claimed from EP19890111215 external-priority patent/EP0403672B1/en
Application granted granted Critical
Publication of DE68911910D1 publication Critical patent/DE68911910D1/en
Publication of DE68911910T2 publication Critical patent/DE68911910T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

DE1989611910 1989-06-20 1989-06-20 Process for inhibiting the polymerization of styrenes. Expired - Fee Related DE68911910T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19890111215 EP0403672B1 (en) 1987-12-22 1989-06-20 Method of inhibiting polymerization of styrenes

Publications (2)

Publication Number Publication Date
DE68911910D1 DE68911910D1 (en) 1994-02-10
DE68911910T2 true DE68911910T2 (en) 1994-06-09

Family

ID=8201519

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989611910 Expired - Fee Related DE68911910T2 (en) 1989-06-20 1989-06-20 Process for inhibiting the polymerization of styrenes.

Country Status (1)

Country Link
DE (1) DE68911910T2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10038349C1 (en) * 2000-08-05 2002-01-31 Basf Ag Distillation of vinylaromatic monomer, especially styrene, is carried out in presence of 4-tert.-butylcatechol and oxygen without adding aromatic nitro- or amino-compound

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10038349C1 (en) * 2000-08-05 2002-01-31 Basf Ag Distillation of vinylaromatic monomer, especially styrene, is carried out in presence of 4-tert.-butylcatechol and oxygen without adding aromatic nitro- or amino-compound

Also Published As

Publication number Publication date
DE68911910D1 (en) 1994-02-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MITSUBISHI CHEMICAL CORP., TOKIO/TOKYO, JP DEGUSSA

8327 Change in the person/name/address of the patent owner

Owner name: DEGUSSA AG, 40474 DUESSELDORF, DE MITSUBISHI CHEMI

8327 Change in the person/name/address of the patent owner

Owner name: DEGUSSA GMBH, 40474 DUESSELDORF, DE

Owner name: MITSUBISHI CHEMICAL CORP., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee