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. 01, 2009
Filed:
Jan. 10, 2006
Marcus Hoffmann, Usingen, DE;
Albert Erdrich, Bad Nauheim, DE;
Marcus Hoffmann, Usingen, DE;
Albert Erdrich, Bad Nauheim, DE;
Heraeus Kulzer GmbH, Hanau, DE;
Abstract
Compounds of the formula IR—O—CO—C(═CHR)—Y—O-Q(AH)  (I)where A stands for a —CO— or —SO— group which together with Hyields AH, Q represents Calkylene, Calkylene interrupted by —O—, >N—, or —S—, or, in given cases, Carylene substituted with Calkyl, Calkoxy or halogen, where in the case of arylene the aryl groups can carry additional acid groups A, Y stands for Calkylene or Calkylene interrupted by —O—, >N—, or —S—, R represents methyl or H, Ris Calkyl, and n assumes the values 1, 2, or 3 are particularly suitable for the production of self-etching dental adhesives.