Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1989-08-17
1991-10-15
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528292, 528298, 528302, 528308, 5283086, 525445, 428 341, 428 357, C08G 6320
Patent
active
050575945
ABSTRACT:
Disclosed are certain poly-methine compounds having the formula ##STR1## wherein each R.sup.1 is independently selected from cyano; carboxy; alkenyloxycarbonyl; an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted, carbocyclic or heterocyclic aryl radical; an unsubstituted or substituted alkanoyl, cycloalkanoyl or aroyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical; each R.sup.2 is independently selected from cyano or an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; each A is independently selected from an unsubstituted or substituted 1,2-phenylene or 1,2-naphthylene radical; each Z is independently selected from --O-- or --S--; and L is an organic linking group bonded by non-oxo carbon atoms to each Z atom. Also disclosed are sunscreen formulations and polymeric compositions containing at least one of the poly-methine compounds or the reactive residue thereof.
REFERENCES:
patent: 3706700 (1972-12-01), Kirchmayr et al.
patent: 4617374 (1986-10-01), Pruett et al.
patent: 4707537 (1987-11-01), Pruett et al.
patent: 4749773 (1988-06-01), Weaver et al.
patent: 4749774 (1988-06-01), Weaver et al.
Coates, Jr. Clarence A.
Hilbert Samuel D.
Krutak James J.
Oldfield Terry A.
Parham William W.
Acquah Sam A.
Eastman Kodak Company
Graves, Jr. Bernard J.
Heath, Jr. William P.
Kight III John
LandOfFree
Ultraviolet light-absorbing compounds and sunscreen formulations 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 and sunscreen formulations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ultraviolet light-absorbing compounds and sunscreen formulations will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-992111