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.

Date of Patent:
Sep. 20, 1983

Filed:

Jul. 27, 1981
Applicant:
Inventors:

Walter Hafner, Furth, DE;

Erich Markl, Munich, DE;

Ludwig Eibel, Munich, DE;

Gerhard Kreis, Munich, DE;

Dietrich Samrowski, Munich, DE;

Manfred Wick, Schliersee, DE;

Bernward Deubzer, Burghausen, DE;

Wilhelm Friedrich, Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 28 ; 252 35 ; 252 39 ; 252 41 ; 252 496 ;
Abstract

This invention relates to organosiloxanes which have SiC-bonded ester groups and contain at least one unit of the general formula: ##EQU1## is which R represents the same or different monovalent hydrocarbon radicals having from 1 to 12 carbons atoms, which are free of aliphatic unsaturation and which may contain one ether oxygen atom; R' represents hydrogen or a methyl group (CH.sub.3) and a is O, 1 or 2. These organosiloxanes can be prepared by hydrolyzing or co-hydrolyzing silanes of the general formula:


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