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:
Jun. 09, 1987
Filed:
Sep. 23, 1985
Applicant:
Inventors:
Harlan E Tarbell, Los Angeles, CA (US);
Melvin J Mirliss, Long Beach, CA (US);
Assignee:
Grefco, Inc., Torrance, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427215 ; 427255 ; 4272552 ;
Abstract
This invention provides a method for the treatment of mineral extender fillers. The mineral extender filler is treated essentially simultaneously with a halogenated organosilane and a compound containing an active hydrogen, preferably ammonia. The reaction is conducted at atmospheric pressure and at a temperature at which the halogenated organosilane is gaseous, but preferably no higher than 250.degree. C. This method is fast, efficient and economical.