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:
Aug. 13, 1991
Filed:
Dec. 14, 1990
Applicant:
Inventor:
Anna M Czech, Peekskill, NY (US);
Assignee:
Union Carbide Chemicals and Plastics Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524838 ; 524588 ; 524860 ; 524869 ;
Abstract
Process for preparing a modified aminoorganosiloxane emulsion having improved non-yellowing properties comprising reacting (a) a dialkyl pyrocarbonate, (b) a dialkyl oxalate, or (c) a mixture thereof with an aminoorganosiloxane in an aqueous emulsion in which (a), (b) or (c) ranges from about 0.1% to 15% based on the weight of aminoorganosiloxane in the emulsion.