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:
Oct. 05, 2010
Filed:
Jul. 10, 2007
Richard Alexander Evans, Glen Waverley, AU;
Melissa Ann Skidmore, McKinnon, AU;
Lachlan Hartley Yee, Woy Woy, AU;
Tracey Lee Hanley, Werombi, AU;
David Andrew Lewis, Marion, AU;
Richard Alexander Evans, Glen Waverley, AU;
Melissa Ann Skidmore, McKinnon, AU;
Lachlan Hartley Yee, Woy Woy, AU;
Tracey Lee Hanley, Werombi, AU;
David Andrew Lewis, Marion, AU;
Advanced Polymerik Pty Ltd, Notting Hill, Victoria, AU;
Abstract
The invention relates to a photochromic polymeric composition comprising a polymer matrix and a photochromic compound which is an adduct comprising a photochromic moiety and at least one pendant oligomer group to provide a rate of fade of the photochromic polymeric composition which is significantly changed when compared with the corresponding composition comprising the photochromic compound without said pendent oligomer. The invention also relates to a photochromic compound which is an adduct comprising a photochromic moiety and at least one pendent oligomer.