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:
Feb. 07, 1995
Filed:
Dec. 03, 1992
Applicant:
Inventors:
Werner Hohner, Velbert, DE;
Dietmar Schaefer, Hattingen, DE;
Assignee:
Th. Goldschmidt AG, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428391 ; 428403 ; 428405 ; 428407 ; 523212 ; 523214 ; 427387 ;
Abstract
A method for modifying the surface of finely divided particles, such as pigments and filler or glass fiber, is described. The method utilizes organopolysiloxanes with ester groups and long-chain alkyl groups, which are linked over carbon atoms to silicon atoms.