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:
Nov. 17, 1981
Filed:
Jun. 09, 1980
Applicant:
Inventors:
Carlhans Suling, Odenthal, DE;
Gerhard Balle, Leverkusen, DE;
Bernd Leusner, Leverkusen, DE;
Hans-Hermann Schulz, Leichlingen, DE;
Michael Walkowiak, Cologne, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; A61C / ; A61C / ;
U.S. Cl.
CPC ...
433202 ; 26099811 ; 433171 ; 525440 ; 525455 ; 525920 ;
Abstract
The invention relates to bead polymers, useful in the provision of dental articles and made by bead polymerizing a diamine-lengthened polyurethane and a methacrylate. Also included in the invention are the dental articles made using said bead polymers.