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:
Oct. 09, 1990
Filed:
Mar. 17, 1989
Applicant:
Inventor:
Adrian S Allen, Skipton, GB;
Assignee:
Allied Colloids Ltd., , GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524602 ; 524728 ;
Abstract
An oil soluble polymeric surfactant that is particularly useful for stabilizing reverse phase polymer dispersions, especially when they are subjected to azeotroping, is a reaction product of an oil soluble polyester carboxylic acid (such as poly-hydroxy stearic acid) and a water soluble polyamine (such as polyethylene imine) of molecular weight above 500 and that contains at least 5 basic nitrogen atoms.
Allen, Adrian. (1990). Polymeric stabilizers, their preparation and dispersions containing them (U.S. Patent No. 4962150). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4962150
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile