Global Patent Index - EP 1044239 A1

EP 1044239 A1 2000-10-18 - LOW HAZE, SPECKLE FREE POLYESTER FILM

Title (en)

LOW HAZE, SPECKLE FREE POLYESTER FILM

Title (de)

SPRENKELFREIER POLYESTERFILM MIT GERINGER TRÜBUNG

Title (fr)

FILM POLYESTER A TURBIDITE REDUITE ET DEPOURVU DE MOUCHETURES

Publication

EP 1044239 A1 (EN)

Application

EP 98963878 A

Priority

  • US 9826429 W
  • US 7021497 P

Abstract (en)

[origin: WO9933910A1] A low haze, speckle free polyester film suitable for use in solar windows is disclosed. The film comprises a mixture of calcined silicone particles and fumed silica agglomerates in which essentially all of the calcined silicone particles have a particle size below about 7 microns; and essentially all the fumed silica agglomerates have a discrete agglomerate size below 1 micron. The film very clear and has a minimum amount of haze.

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

C08K 3/36; C08J 5/18

IPC 8 full level (invention and additional information)

C08J 7/06 (2006.01); C08J 5/18 (2006.01); C08K 3/36 (2006.01)

CPC (invention and additional information)

C08J 5/18 (2013.01); C08K 3/36 (2013.01); C08J 2367/02 (2013.01)

Combination set (CPC)

C08K 3/36 + C08L 67/00

Citation (search report)

See references of WO 9933910A1

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

WO 9933910 A1 19990708; AU 1911499 A 19990719; CN 1283211 A 20010207; EP 1044239 A1 20001018; JP 2001527147 A 20011225

INPADOC legal status


2002-08-07 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20020129

2002-05-22 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: DUPONT TEIJIN FILMS U.S. LIMITED PARTNERSHIP

2001-09-05 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010718

2000-10-18 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000526

2000-10-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB IT