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:
May. 07, 2002
Filed:
Sep. 11, 1998
Applicant:
Inventors:
Gunther Eckhardt, Frieding, DE;
Erich Wanek, Kaufering, DE;
Guenther Lechner, Woerthsee, DE;
Peter Bissinger, Mering, DE;
Markus Mikulla, Frieding, DE;
Assignee:
ESPE Dental AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C 9/00 ; C08G 6/508 ; C08G 6/520 ; C08G 6/532 ;
U.S. Cl.
CPC ...
A61C 9/00 ; C08G 6/508 ; C08G 6/520 ; C08G 6/532 ;
Abstract
A dental impression composition comprises a polyether derivative functionalized via the hydroxyl groups of a polyether polyol with groups such as aziridine, epoxide and unsaturated substituents including (meth)acrylic, allyl, vinyl, vinyl ether or maleate groups, wherein the level of cyclic oligomeric polyethers is less than 5.0 weight percent.