Global Patent Index - EP 1317514 A1

EP 1317514 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 1317514 A1 (DE)

Application

EP 01976151 A

Priority

  • DE 10044095 A
  • DE 10050683 A
  • EP 0109836 W

Abstract (en)

[origin: WO0220674A1] The invention relates to a method for producing an iron oxide nucleus containing aluminium comprising alpha -FeOOH crystal structure made from FeCl2 for use as a base material for producing iron oxide red ( alpha -Fe2O3) with alpha -FeOOH as an intermediate stage.

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); C01G 49/06 (2006.01); C09C 1/24 (2006.01)

CPC (invention and additional information)

B82Y 30/00 (2013.01); C01G 49/0045 (2013.01); C01G 49/06 (2013.01); C09C 1/24 (2013.01); C01P 2002/60 (2013.01); C01P 2002/70 (2013.01); C01P 2004/64 (2013.01); C01P 2006/12 (2013.01); C01P 2006/62 (2013.01); C01P 2006/63 (2013.01); C01P 2006/64 (2013.01)

Citation (search report)

See references of WO 0220674A1

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 0220674 A1 20020314; AU 9551301 A 20020322; CA 2421245 A1 20030304; EP 1317514 A1 20030611; US 2002050230 A1 20020502; US 6508877 B2 20030121

INPADOC legal status


2006-08-23 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20060201

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

- Owner name: LANXESS DEUTSCHLAND GMBH

2004-01-02 [RAP1] TRANSFER OF RIGHTS OF AN 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