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. 05, 1977
Filed:
Jul. 07, 1975
Applicant:
Inventor:
James Edward Stangroom, Castleton, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ; C09K / ;
U.S. Cl.
CPC ...
252 76 ; 252 75 ; 252 781 ; 252 79 ;
Abstract
A fluid composition which is capable of exhibiting a substantial increase in apparent viscosity under the influence of an electric field and which is of the type wherein solid particles of a chemical substance are dispersed in an electrically non-conducting oleaginous vehicle, the chemical substance being a polyhydric alcohol which contains acid groups and which has an open structure wherein a significant amount of water is adsorbed.