Global Patent Index - EP 1257339 A1

EP 1257339 A1 2002-11-20 - DEFOAMING AGENT FOR LIQUID HYDROCARBONS I

Title (en)

DEFOAMING AGENT FOR LIQUID HYDROCARBONS I

Title (de)

ENTSCHÄUMER FÜR FLÜSSIGE KOHLENWASSERSTOFFE I

Title (fr)

AGENT ANTIMOUSSE POUR HYDROCARBURES LIQUIDES I

Publication

EP 1257339 A1 (DE)

Application

EP 01903701 A

Priority

  • DE 10006623 A
  • EP 0101241 W

Abstract (en)

[origin: WO0160492A1] The invention relates to a method for defoaming liquid hydrocarbons, whereby these vinyl alkylether polymerizates of general formula (I), in which R represents a saturated or unsaturated, straight or branched alkyl radical with 2 to 18 C atoms, and n represents a number > 1, are added in quantities ranging from 1 to 2000 ppm.

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

B01D 19/04; C10M 171/00

IPC 8 full level (invention and additional information)

B01D 19/04 (2006.01); C10M 171/00 (2006.01)

CPC (invention and additional information)

B01D 19/0404 (2013.01); C10M 171/004 (2013.01)

Citation (search report)

See references of WO 0160492A1

Designated contracting state (EPC)

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

EPO simple patent family

WO 0160492 A1 20010823; CA 2400427 A1 20010823; DE 10006623 A1 20010816; EP 1257339 A1 20021120; US 2003145513 A1 20030807

INPADOC legal status


2005-03-09 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20040831

2003-01-02 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: ABRIBAT, BENOIT

2003-01-02 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: HERAULT, DAVID

2003-01-02 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: BONGARDT, FRANK

2003-01-02 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: PFEIFFER, ACHIM

2002-11-20 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020806

2002-11-20 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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

2002-11-20 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI