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. 23, 1982
Filed:
Apr. 03, 1978
Applicant:
Inventors:
Carl V McDaniel, Laurel, MD (US);
Nelson S Marans, Silver Spring, MD (US);
Assignee:
W. R. Grace & Co., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252 / ; 252 / ; 252316 ;
Abstract
Silane modified inorganic reaction product compositions, water based systems containing said compositions, drilling fluids containing said compositions and a method of drilling bore holes using said drilling fluids, wherein the silane-modified inorganic compositions comprise an aqueous solution, suspension or dispersion of a reaction product of a hydrous inorganic material selected from silicon oxide, aluminum oxide or mixtures thereof with from about 0.01 moles to about 0.3 moles per mole of oxide of an organo silane represented by the general formula