Global Patent Index - EP 1317513 A1

EP 1317513 A1 2003-06-11 - METHOD FOR PRODUCING AN IRON OXIDE NUCLEUS CONTAINING ALUMINIUM

Title (en)

METHOD FOR PRODUCING AN IRON OXIDE NUCLEUS CONTAINING ALUMINIUM

Title (de)

VERFAHREN ZUR HERSTELLUNG EINES ALUMINIUMHALTIGEN EISENOXIDKEIMS

Title (fr)

PROCEDE DE FABRICATION D'UN GERME D'OXYDE DE FER CONTENANT DE L'ALUMINIUM

Publication

EP 1317513 A1 (DE)

Application

EP 01971964 A

Priority

  • DE 10044097 A
  • EP 0109835 W

Abstract (en)

[origin: WO0220673A1] The invention relates to a method for producing an iron oxide nucleus containing aluminium comprising a FeOOH crystal structure made of FeCl2. Said nucleus is suitable as a base material for producing iron oxide yellow and for use as a yellow coloured pigment.

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

C09C 1/24; C01G 49/00; C01G 49/06

IPC 8 full level (invention and additional information)

C01G 49/00 (2006.01); C09C 1/24 (2006.01)

CPC (invention and additional information)

B82Y 30/00 (2013.01); C01G 49/0045 (2013.01); C09C 1/24 (2013.01); C01P 2002/60 (2013.01); C01P 2002/72 (2013.01); C01P 2004/54 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2006/12 (2013.01); C01P 2006/60 (2013.01); C01P 2006/62 (2013.01); C01P 2006/63 (2013.01); C01P 2006/64 (2013.01)

Citation (search report)

See references of WO 0220673A1

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 0220673 A1 20020314; AU 9179901 A 20020322; CA 2421189 A1 20020314; DE 10044097 A1 20020404; EP 1317513 A1 20030611; US 2002127176 A1 20020912; US 6508290 B2 20030121

INPADOC legal status


2009-03-25 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20080927

2006-10-18 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20060913

2005-07-13 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: LANXESS DEUTSCHLAND GMBH

2004-01-07 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: BAYER CHEMICALS AG

2003-06-11 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20030407

2003-06-11 [AK] DESIGNATED CONTRACTING STATES:

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

2003-06-11 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Countries: AL LT LV MK RO SI