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:
May. 02, 1978
Filed:
Aug. 14, 1969
Applicant:
Inventor:
Jack Preston, Raleigh, NC (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
260 65 ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 7841 ; 2603 / ; 2603 / ; 2603 / ; 428474 ; 548329 ;
Abstract
High molecular weight, thermally resistant heterocyclic polymers containing two or more different heterocyclic linkages occurring in an ordered sequence with aromatic linkages are prepared and solutions thereof used to spin fibers.