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:
Apr. 14, 1987
Filed:
Dec. 12, 1985
Applicant:
Inventors:
Takaharu Nakano, Yokosukashi, JP;
Nobumasa Ohtake, Yokohamashi, JP;
Assignee:
Chisso Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556437 ;
Abstract
A novel carboxyl group-containing siloxane compound, whether its molecular weight is low or high, having a superior heat stability, and useful as emulsifying agent, surface modifier for inorganic materials, etc. is provided, which compound is expressed by the general formula ##STR1## wherein R represents an alkyl group of 1 to 4 carbon atoms; R.sup.1 represents R or R.sup.2 ; R.sup.2 represents CH.sub.2 CH.sub.2 CH.sub.2 --OCH.sub.2 CH.sub.2).sub.n COOH; n is an integer of 1 or more; l is an integer of 0 or more; m is an integer of 0 or more; l+m is an integer of 1 or more; and R.sup.1 represents R.sup.2 in the case of m=0.