Global patent index - EP 0981595 A4

EP 0981595 A4 2001-02-28 - AMINE OXIDE/AMIDE FOAM STABILIZER SYSTEM

Title (en)

AMINE OXIDE/AMIDE FOAM STABILIZER SYSTEM

Title (de)

SCHAUMSTABILISATOR AUF BASIS VON AMINOXID BZW. AMID

Title (fr)

SYSTEME STABILISANT DE MOUSSE, A L'OXYDE D'AMINE/AMIDE

Publication

EP 0981595 A4 (EN)

Application

EP 98908636 A

Priority

  • US 9803372 W
  • US 80753697 A

Abstract (en)

[origin: WO9838273A1] A process for stabilizing foam produced by a liquid cleaning composition comprising adding to the liquid cleaning composition from about 1 to about 10 % by weight, based on the weight of the liquid cleaning composition, of a foam stabilizing composition consisting essentially of: (a) an amine oxide having general formula (I), wherein, R<1> is an alkyl or alkenyl radical having from about 7 to about 18 carbon atoms, and R<2> and R<3> are individually alkyl or hydroxyalkyl radicals having from about 1 to about 4 carbon atoms; and (b) an amide having general formula (II), wherein R3 is an alkyl group containing from about 8 to about 18 carbon atoms and each R4 is the same or different and is selected from the group consisting of hydrogen, C1-3 alkyl, C1-3 alkynol, and -(C2H4O-), and mixtures thereof, wherein components (a and b) are combined in an actives ratio of about 1:1.

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

C11D 1/75; C11D 1/52; C11D 1/835; C11D 3/32

IPC 8 full level (invention and additional information)

C11D 1/835 (2006.01); C11D 3/00 (2006.01); C11D 1/52 (2006.01); C11D 1/75 (2006.01)

CPC (invention and additional information)

C11D 3/0026 (2013.01); C11D 1/835 (2013.01); C11D 1/523 (2013.01); C11D 1/75 (2013.01)

Citation (search report)

  • [X] DATABASE WPI Section Ch Week 199045, Derwent Publications Ltd., London, GB; Class A97, AN 1990-339197, XP002156460
  • See also references of WO 9838273A1

Designated contracting state (EPC)

DE ES FR GB IT NL

EPO simple patent family

WO 9838273 A1 19980903; EP 0981595 A1 20000301; EP 0981595 A4 20010228

INPADOC legal status

2002-07-24 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Date of withdrawal: 20020525

2001-02-28 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 20010115

2001-02-28 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE ES FR GB IT NL

2001-02-28 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- Free Format Text: 7C 11D 1/75 A, 7C 11D 3/32 B, 7C 11D 1/835 B, 7C 11D 1/52 B

2000-03-01 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19990813

2000-03-01 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE ES FR GB IT NL