Global Patent Index - EP 1319026 A1

EP 1319026 A1 2003-06-18 - POLYSTYRENE MICROSPHERES AND A METHOD FOR THEIR PRODUCTION

Title (en)

POLYSTYRENE MICROSPHERES AND A METHOD FOR THEIR PRODUCTION

Title (de)

POLYSTYROLMIKROKUGELN UND VERFAHREN ZUR HERSTELLUNG

Title (fr)

MICROSPHERES DE POLYSTYRENE ET LEUR PROCEDE DE FABRICATION

Publication

EP 1319026 A1 (DE)

Application

EP 01985259 A

Priority

  • DE 10046755 A
  • EP 0110586 W

Abstract (en)

[origin: WO0224755A1] The invention relates to microspheres with a narrow distribution of particle size and a uniform spherical shape, consisting of a partially or completely cross-linked polymer material. The invention also relates to a method for producing said microspheres and to the use thereof.

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

C08F 2/00

IPC 8 full level (invention and additional information)

C12N 15/09 (2006.01); C08F 2/00 (2006.01)

CPC (invention and additional information)

C08F 2/00 (2013.01); Y10T 428/2984 (2013.01); Y10T 428/2989 (2013.01)

Citation (search report)

See references of WO 0224755A1

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 0224755 A1 20020328; AU 1817402 A 20020402; EP 1319026 A1 20030618; JP 2004525990 A 20040826; KR 20030051653 A 20030625; US 2004012105 A1 20040122

INPADOC legal status


2005-11-09 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20050331

2003-06-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20030124

2003-06-18 [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

2003-06-18 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL LT LV MK RO SI