Color stable pigmented polymeric films having dyes for color adjustment

Details for Australian Patent Application No. 2002247323 (hide)

Owner 3M Innovative Properties Company

Inventors Schaeffer, Mark N.; McGurran, Daniel J.; Olson, James A.

Agent Davies Collison Cave

Pub. Number AU-B-2002247323

PCT Pub. Number WO2002/098959

Priority 09/872,532 01.06.01 US

Filing date 14 March 2002

Wipo publication date 16 December 2002

Acceptance publication date 14 February 2008

International Classifications

G02B 5/00 (2006.01) Optical elements other than lenses

B32B 27/20 (2006.01) Layered products essentially comprising synthetic resin - using fillers, pigments, thixotroping agents

C08J 3/20 (2006.01) Processes of treating or compounding macromolecular substances - Compounding polymers with additives, e.g. colouring

C08J 5/18 (2006.01) Manufacture of articles or shaped materials containing macromolecular substances - Manufacture of films or sheets

C08K 3/00 (2006.01) Use of inorganic ingredients

C08K 5/00 (2006.01) Use of organic ingredients

C08L 67/02 (2006.01) Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain

G02B 5/02 (2006.01) Optical elements other than lenses - Diffusing elements

Event Publications

8 May 2003 Application Open to Public Inspection

  Published as AU-B-2002247323

14 February 2008 Application Accepted

  Published as AU-B-2002247323

12 June 2008 Standard Patent Sealed

13 October 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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