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:
Jan. 16, 1990
Filed:
Jun. 21, 1988
Robert G Fisher, Beckenham, GB;
ESPE Stiftung & Co. Produktions- und Vertriebs-KG, Seefeld, DE;
Abstract
A two part impression material comprising a first part comprising a product of the reaction of an alpha, beta-ethylenically unsaturated dicarboxylic acid anhydride and a liquid polydiene resin and a second part comprising a setting agent for the reaction product which setting agent is an alkoxylated fatty monoamine or an alkoxylated fatty polyamine having from 2 to 30 moles of alkoxylate per mole of the fatty amine, the alkoxylate groups being one or more alkoxylates selected from the group comprising ethoxylate, propoxylate and butoxylate, the first part and/or the second part also comprising an organic liquid which is incompatible with both the setting agent and the reaction product. A method of taking a dental impression using the reaction product of the first and second parts of the two part dental impression material is also disclosed.