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:
Sep. 19, 1978
Filed:
Jun. 22, 1976
Applicant:
Inventors:
Albert Gross, Frankfurt am Main, DE;
Roland Schaefer, Friedrichsdorf, Taunus, DE;
Assignee:
Kulzer & Co. GmbH, Bad Homburg von der Hohe, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
260 4215 ; 32 15 ; 260 4228 ; 260 4252 ; 260836 ; 2608 / ; 26099811 ; 260273 ; 260321 ;
Abstract
Polymerizable hydrox-group-containing diesters of acrylic acids for dental material are prepared by reacting 3-(3,4-epoxycyclohexyl)-8,9-epoxy-2,4-dioxaspiro(5,5) undecane or a bis-epoxide of formula (A) ##STR1## or a bis-epoxide of formula (B) ##STR2## with a hydroxyalkylacrylate or hydroxyalkylmethacrylate containing 2 to 10 carbon atoms in the alkyl portion, n being 0 or 1 in formula (A) with the proviso that when