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. 11, 1989
Filed:
Jan. 22, 1988
Applicant:
Inventor:
Kent S Dennis, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524516 ; 525 88 ; 525 89 ; 526310 ;
Abstract
An effective method for gelling certain organic liquids. The invention, in one embodiment, comprises forming a solution of the organic liquids and an amount of a triblock copolymer of relatively moderate molecular weight, having poly(4-vinylpyridene) end blocks and a small amount of a salt of a transition metal. In another embodiment, the invention comprises forming a solution of the organic liquids and an amount of a triblock copolymer of relatively moderate molecular weight, having poly(4-vinylpyridene) end blocks and a small amount of an acid. Such gelled liquids are useful as pipe line pigs, in automobile lacquers and in charcoal lighter fluids.