Global Patent Index - EP 0975626 A1

EP 0975626 A1 2000-02-02 - ENAMINE DERIVATIVES FOR USE AS ANTIOXYDANTS FOR POLYMERS

Title (en)

ENAMINE DERIVATIVES FOR USE AS ANTIOXYDANTS FOR POLYMERS

Title (de)

ENAMIN-DERIVATE ALS ANTIOXIDANTIEN IN POLYMEREN

Title (fr)

DERIVES D'ENAMINES EN TANT QU'ANTIOXYDANTS POUR DES POLYMERES

Publication

EP 0975626 A1 (EN)

Application

EP 98922711 A

Priority

  • EP 9802186 W
  • IT MI970902 A

Abstract (en)

[origin: WO9847893A1] Compounds belonging to the group of enamines consisting of derivatives of beta -keto-esters, or beta -keto-amides or 1,3-diketones with primary or secondary aliphatic or aromatic amines carrying at least one sterically hindered amine group having general formula (I) in the molecule. The compounds having general formula (I) can be used as antioxidants for organic polymers.

IPC 1-7 (main, further and additional classification)

C07D 401/12; C07D 211/46; C07D 211/58; C08K 5/3435; C08K 5/3492; C09K 15/30

IPC 8 full level (invention and additional information)

C07D 211/46 (2006.01); C07D 211/58 (2006.01); C07D 211/94 (2006.01); C07D 401/04 (2006.01); C07D 401/12 (2006.01); C07D 401/14 (2006.01); C08K 5/3435 (2006.01); C08K 5/3492 (2006.01); C08L 101/00 (2006.01); C09K 15/30 (2006.01)

CPC (invention and additional information)

C07D 211/46 (2013.01); C07D 211/58 (2013.01); C08K 5/34926 (2013.01); C09K 15/30 (2013.01)

Citation (search report)

See references of WO 9847893A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 9847893 A1 19981029; CA 2282329 A1 19981029; EP 0975626 A1 20000202; IT 1291599 B1 19990111; IT MI970902 A1 19981019; JP 2001523238 A 20011120

INPADOC legal status


2001-04-18 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20001101

2000-02-02 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19990721

2000-02-02 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE