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:
Jun. 22, 1976
Filed:
Dec. 18, 1974
Applicant:
Inventors:
John W Ager, Princeton, NJ (US);
Thomas M Fekete, Yardley, PA (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
260973 ; 2609 / ;
Abstract
Phosphonitrilic chloride polymers are continuously esterified in a process wherein a solution of phosphonitrilic chloride polymer in an organic solvent is concurrently fed into a reactor with an alkanol solution of an alkali metal alkoxide, and the product phosphonitrilic chloride ester is continuously withdrawn and separated.