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:
Jul. 29, 1980
Filed:
Dec. 29, 1978
Applicant:
Inventors:
Cecil G Brannen, West Chicago, IL (US);
Nicolas C Petrellis, Lisle, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
2604299 ;
Abstract
Processes for the manufacture of substantially haze free zinc salts of dihydrocarbyldithiophosphoric acid comprising the addition of an effective amount of a surface active agent or surfactant at or prior to the neutralization of a dihydrocarbyldithiophosphoric acid by zinc oxide that reduces the Electrophoretic mobility (EM) of an untreated colloidal zinc oxide particle by about 25%. Generally the mobility of the treated colloidal zinc compound particle is reduced to less than about 1.0 .times.10.sup.-3 microns/sec. per volt/cm.