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. 10, 1978
Filed:
Apr. 25, 1977
Applicant:
Inventor:
David H Kaelble, Thousand Oaks, CA (US);
Assignee:
Arroyo Dental Products Co., La Canada, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526292 ; 32-1 ; 20415923 ; 427-2 ; 427140 ; 526242 ; 560221 ; 560209 ;
Abstract
Dental restorative, pit and fissure sealant compositions having improved environmental resistance include a brominated acrylate such as dibromopropyl methacrylate and/or a diacrylate of the formula: ##STR1## where n is an integer from 1 to 6, R.sup.1 is hydrogen or alkyl of 1 to 6 carbon atoms, R.sup.2 is alkylene of 1 to 5 carbon atoms or ##STR2## WHERE R.sup.3 is hydrogen, alkyl of 1 to 4 carbon atoms or --OH and x and y are selected from 0 or an integer from 1 to 4 and Ar is a cyclic group, preferably an aromatic group.