Compositions – Light transmission modifying compositions – Displaying color change
Reexamination Certificate
2004-07-30
2008-12-16
Kugel, Timothy J (Department: 1796)
Compositions
Light transmission modifying compositions
Displaying color change
C252S583000, C525S415000, C526S269000, C528S035000, C528S365000
Reexamination Certificate
active
07465415
ABSTRACT:
Various non-limiting embodiments disclosed herein related to photochromic materials comprising the reaction product of (a) at least one ring-opening cyclic monomer, and (b) a photochromic initiator. Other non-limiting embodiments related to photochromic materials represented by:wherein S′ comprises the at least one ring-opened cyclic monomer as set forth herein. Other non-limiting embodiments related to photochromic compositions, optical elements, and methods of inhibiting migration of a photochromic material in a polymeric material using the photochromic materials disclosed herein. Methods of making such photochromic materials, compositions, and optical elements are also disclosed.
REFERENCES:
patent: 3933509 (1976-01-01), Noguchi et al.
patent: 4289873 (1981-09-01), Kubo et al.
patent: 4719296 (1988-01-01), Irie et al.
patent: 4889413 (1989-12-01), Ormsby et al.
patent: 4929693 (1990-05-01), Akashi et al.
patent: 4986934 (1991-01-01), Kwiatkowski et al.
patent: 5110881 (1992-05-01), McBain et al.
patent: 5166345 (1992-11-01), Akashi et al.
patent: 5236958 (1993-08-01), Miyashita
patent: 5252742 (1993-10-01), Miyashita
patent: 5359085 (1994-10-01), Iwamoto et al.
patent: 5389287 (1995-02-01), Nishiyama et al.
patent: 5488119 (1996-01-01), Fischer-Reimann et al.
patent: 5645767 (1997-07-01), Van Gemert
patent: 5645768 (1997-07-01), Melzig et al.
patent: 5770115 (1998-06-01), Misura
patent: 5821287 (1998-10-01), Hu et al.
patent: 5945488 (1999-08-01), Gregorovich et al.
patent: 6022497 (2000-02-01), Kumar
patent: 6113814 (2000-09-01), Gemert et al.
patent: 6146554 (2000-11-01), Melzig et al.
patent: 6315928 (2001-11-01), Mann et al.
patent: 6555028 (2003-04-01), Walters et al.
patent: 6630597 (2003-10-01), Lin et al.
patent: 6660727 (2003-12-01), Mann et al.
patent: 6736998 (2004-05-01), Petrovskaia et al.
patent: 2001/0025948 (2001-10-01), Walters et al.
patent: 2003/0141490 (2003-07-01), Walters et al.
patent: 0446717 (1991-09-01), None
patent: 0875509 (1998-11-01), None
patent: 01-026846 (1989-01-01), None
patent: 02-042084 (1990-02-01), None
patent: 03-011081 (1991-01-01), None
patent: 03-091578 (1991-04-01), None
patent: 03-205476 (1991-09-01), None
patent: 05-098252 (1993-04-01), None
patent: 05-163324 (1993-06-01), None
patent: 06-256758 (1994-09-01), None
patent: 07-062337 (1995-03-01), None
patent: 08-176139 (1996-07-01), None
patent: WO 97/05213 (1997-02-01), None
patent: WO 00/05325 (2000-02-01), None
patent: WO 00/21968 (2000-04-01), None
patent: WO 01/70719 (2001-09-01), None
patent: WO 2004/041961 (2004-05-01), None
Fink, J.K., Polyurethanes, Reactive Polymers Fundamentals and Applications A Concise Guide to Industrial Polymers, William Andrew Publishing, 2005, pp. 69-70.
Reactive Polymers Fundamentals and Applications, A Concise Guide to Industrial Polymers by Johannes Karl Fink, 2005, Chapter 2, “Urethanes”, pp. 69-138.
Brown Patrick M.
Chopra Anu
Gemert Barry Van
Knox Carol L.
Stewart Kevin J.
Altman Deborah M.
Kugel Timothy J
Mallak Frank P.
Pingitore Linda
PPG Industries Ohio Inc.
LandOfFree
Photochromic materials derived from ring-opening monomers... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Photochromic materials derived from ring-opening monomers..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photochromic materials derived from ring-opening monomers... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4042337