Global Patent Index - EP 0966737 A4

EP 0966737 A4 2000-04-19 - CORROSION PROTECTION OF ALUMINUM AND ALUMINUM ALLOYS USING EMERALDINE BASE POLYANILINE

Title (en)

CORROSION PROTECTION OF ALUMINUM AND ALUMINUM ALLOYS USING EMERALDINE BASE POLYANILINE

Title (de)

KORROSIONSSCHUTZ VON ALUMINIUM UND ALUMINIUMLEGIERUNGEN MITTELS EMERALDIN-POLYAMIN-BASE

Title (fr)

PROTECTION CONTRE LA CORROSION DE L'ALUMINIUM ET D'ALLIAGES D'ALUMINIUM AU MOYEN DE POLYANILINES EMERALDINE BASE

Publication

EP 0966737 A4 (EN)

Application

EP 98910331 A

Priority

  • US 9804832 W
  • US 3668597 P

Abstract (en)

[origin: WO9840881A1] The present invention includes a coating composition for protecting aluminium and alloys thereof from corrosion. The composition comprises at least one substance selected from the group consisting of emeraldine base polyaniline and oligomers thereof, or sulfonated polyanilines and salts and oligomers thereof. The invention also includes an aluminum metal or aluminum alloy piece bearing such a coating.

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

G11B 5/66; C08F 283/00; C08F 299/00; C08G 73/00; C08G 75/00; G11B 5/70

IPC 8 full level (invention and additional information)

B05D 7/14 (2006.01); C09D 5/08 (2006.01); C09D 179/02 (2006.01); C23C 22/02 (2006.01); C23F 11/00 (2006.01); G11B 5/72 (2006.01)

CPC (invention and additional information)

G11B 5/72 (2013.01); C09D 5/082 (2013.01); C09D 179/02 (2013.01); C23C 22/02 (2013.01)

Combination set (CPC)

  1. C09D 179/02 + C08L 63/00
  2. C09D 179/02 + C08L 33/00

Citation (search report)

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 9840881 A1 19980917; AU 6459598 A 19980929; CA 2283926 A1 19980917; EP 0966737 A1 19991229; EP 0966737 A4 20000419; JP 2000512344 A 20000919

INPADOC legal status


2001-08-01 [18W] WITHDRAWN

- Date of withdrawal: 20010607

2000-04-19 [A4] SUPPLEMENTARY SEARCH REPORT

- Effective date: 20000303

2000-04-19 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A4

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

2000-04-05 [RIN1] INVENTOR (CORRECTION)

- Inventor name: EPSTEIN, ARTHUR, J.

2000-04-05 [RIN1] INVENTOR (CORRECTION)

- Inventor name: FAHLMAN, MATS, A. P.

1999-12-29 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19990928

1999-12-29 [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