Optical polyurethane resin composition and optical...

Details Optical polyurethane resin composition and optical... Optical polyurethane resin composition and optical...

2007-11-12

2011-11-22

Gulakowski, Randy (Department: 1766)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

Reexamination Certificate

active

08063167

ABSTRACT:
An optical polyurethane resin composition contains a polyisocyanate component including at least one cyclic polyisocyanate selected from the group consisting of alicyclic polyisocyanates, aralkyl polyisocyanates, and modified compounds thereof; and a polyol component having an average hydroxyl value of 280 to 1240 mg KOH/g and an average functionality of more than 2 and less than 5.

REFERENCES:
patent: 4080318 (1978-03-01), Smith et al.
patent: 5140089 (1992-08-01), Muhlfeld et al.
patent: 2002/0068809 (2002-06-01), Tamura et al.
patent: 2004/0116646 (2004-06-01), Choi et al.
patent: 2000-178336 (2000-06-01), None
patent: 2002-187931 (2002-07-01), None
patent: 2005-132934 (2005-05-01), None
Perstop Sales brochure, Caprolactone data sheet p. 11.

Affiliated with

Also associated with

Rating

Optical polyurethane resin composition and optical... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical polyurethane resin composition and optical..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical polyurethane resin composition and optical... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4291157