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...
Patent
1988-03-21
1989-07-04
Foelak, Morton
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...
528 54, 526259, 524 91, 548259, 548260, C08G 1822, C08G 1877
Patent
active
048451800
ABSTRACT:
An ultraviolet absorbing composition comprising a polymer of at least one diisocyantate, at least one polyol and at least one hydroxyl functional, polymerizable ultraviolet absorbing monomer. Included among the preferred ultraviolet absorbing monomers are compounds which have the following structure: ##STR1## and mixtures thereof, wherein X is selected from the group consisting of H, alkoxy radicals and halogen; R.sub.1 is selected from the group consisting of H and alkyl radicals, provided that at least one of X and R.sub.1 is other than H; and R.sub.2 is an organic radical including a functional hydroxyl group.
REFERENCES:
patent: 4021405 (1977-05-01), Tucker et al.
patent: 4096128 (1978-06-01), Frisch et al.
patent: 4131571 (1978-12-01), Crawley et al.
patent: 4179548 (1979-12-01), Schroeter et al.
patent: 4203889 (1980-05-01), Chang et al.
patent: 4285073 (1981-08-01), Szycher
patent: 4383863 (1983-05-01), Dexter et al.
patent: 4535104 (1985-08-01), Pyles
patent: 4675352 (1987-06-01), Winters et al.
Allergan Inc.
Daley Dennis R.
Foelak Morton
Peterson Gordon L.
Uxa, Jr. Frank J.
LandOfFree
Ultraviolet light absorbing compounds, compositions and methods does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ultraviolet light absorbing compounds, compositions and methods , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ultraviolet light absorbing compounds, compositions and methods will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-853443