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:
Aug. 09, 1977
Filed:
Feb. 09, 1976
Applicant:
Inventors:
Borivoj Richard Franko-Filipasic, Morrisville, PA (US);
John Francis Start, Mercerville, NJ (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; D01F / ; D06M / ; D06M / ;
U.S. Cl.
CPC ...
106 / ; 106165 ; 106168 ; 106177 ; 264194 ; 428920 ;
Abstract
Regenerated cellulose filaments containing a flame-retardant amount of liquid oligomeric compounds, prepared by heating together liquid polyphosphonitrilic esters with phosphoric anhydride, and method for preparing same.