Global patent index - EP 1080067 A1

EP 1080067 A1 2001-03-07 - BIODEGRADABLE CORROSION INHIBITORS

Title (en)

BIODEGRADABLE CORROSION INHIBITORS

Title (de)

BIOLOGISCH ABBAUBARE KORROSIONSINHIBITOREN

Title (fr)

INHIBITEURS DE CORROSION BIODEGRADABLES

Publication

EP 1080067 A1 (EN)

Application

EP 99922373 A

Priority

  • GB 9901602 W
  • GB 9810869 A

Abstract (en)

[origin: WO9959958A1] Compounds of formula (I), wherein R is the alpha -side chain of an amino acid, R1 is a straight or branched chain alkyl or alkenyl residue containing 1 to 30 carbon atoms or a cycloalkyl or aryl residue having from 5 to 12 carbon atoms; R2 is hydrogen or aryl or a straight chain alkyl or alkenyl residue having from 1 to 30 carbon atoms or together with R is the alpha -side chain of an amino acid; X is a linking moiety and Y is a suitable backbone moiety on which to append the N-acylated amino acid moieties via X linkages; and n is a number between 1 and the total number of available reactive substituents on Y; are corrosion inhibitors and/or scale inhibitors.

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

C07C 233/47; C07C 237/22; C23F 11/14

IPC 8 full level (invention and additional information)

C07C 233/47 (2006.01); C07C 237/22 (2006.01); C09K 8/528 (2006.01); C09K 8/54 (2006.01); C10L 1/14 (2006.01); C10L 1/224 (2006.01); C10L 1/238 (2006.01); C10L 1/24 (2006.01); C10L 10/04 (2006.01); C10M 133/16 (2006.01); C23F 11/14 (2006.01); C10L 1/18 (2006.01); C10L 1/22 (2006.01); C10L 1/26 (2006.01)

CPC (invention and additional information)

C10L 1/224 (2013.01); C07C 233/47 (2013.01); C07C 237/22 (2013.01); C09K 8/528 (2013.01); C09K 8/54 (2013.01); C10L 1/143 (2013.01); C10L 1/238 (2013.01); C10L 1/2425 (2013.01); C10L 10/04 (2013.01); C10M 133/16 (2013.01); C23F 11/145 (2013.01); C23F 14/02 (2013.01); C10L 1/1883 (2013.01); C10L 1/2222 (2013.01); C10L 1/2225 (2013.01); C10L 1/232 (2013.01); C10L 1/2608 (2013.01); C10M 2215/04 (2013.01); C10M 2215/08 (2013.01); C10M 2215/082 (2013.01); C10M 2215/22 (2013.01); C10M 2215/221 (2013.01); C10M 2215/225 (2013.01); C10M 2215/226 (2013.01); C10M 2215/26 (2013.01); C10M 2215/28 (2013.01); C10M 2215/30 (2013.01); C10M 2217/046 (2013.01); C10M 2217/06 (2013.01); C10N 2230/12 (2013.01)

Citation (search report)

See references of WO 9959958A1

Designated contracting state (EPC)

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

EPO simple patent family

WO 9959958 A1 19991125; AU 3947099 A 19991206; CA 2332836 A1 19991125; EP 1080067 A1 20010307; GB 9810869 D0 19980722; ID 27592 A 20010412; MX PA00011352 A 20030422; NO 20005826 A 20010117; NO 20005826 D0 20001117

INPADOC legal status

2003-07-16 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20030108

2002-10-16 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20020828

2001-03-07 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001116

2001-03-07 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

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