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:
Apr. 19, 1994
Filed:
Nov. 13, 1991
Applicant:
Inventors:
Robert J Kaufman, University City, MO (US);
Thomas J Richard, University City, MO (US);
Assignee:
HemaGen/PFC, St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; A61K / ;
U.S. Cl.
CPC ...
252312 ; 424529 ; 514832 ; 514833 ; 514938 ;
Abstract
Oil and water emulsions containing alkylphosphoryl choline or alkylglycerophosphoryl choline surfactants are disclosed. The surfactants have the following general structures: ##STR1## In the above general structures, R.sub.1, R.sub.2 or R.sub.3 is alkyl, alkenyl, fluoroalkyl and alkenyl; and PC is the phosphoryl choline. The emulsions are useful as oxygen transport agents, artificial bloods or red blood cell substitutes.