The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 02, 2004
Filed:
Sep. 20, 2002
Applicant:
Inventors:
Huan Kiak Toh, Fullarton, AU;
David Andrew Lewis, Marion, AU;
Raymond K. Bubner, Clarence Gardens, AU;
Bohdan Grzegorz Gieslinski, Hallett Cove, AU;
Fang Chen, Hallett Cove, AU;
Assignee:
Sola International Holdings, Ltd., Lonsdale, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 2/46 ;
U.S. Cl.
CPC ...
C08F 2/46 ;
Abstract
A process for manufacture of a photochromic polymeric article comprising: providing a fluid polymerisable composition; subjecting the fluid polymerisable composition to a first curing step to provide a solid article of intermediate hardness; contacting the solid article of intermediate hardness with a photochromic substance; and subjecting the solid article of intermediate hardness to a further curing step to increase the hardness and provide a polymeric article imbibed with the photochromic substance.