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:
Jan. 01, 1980
Filed:
Aug. 07, 1978
Applicant:
Inventor:
Harry R Musser, Kingsport, TN (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528327 ; 260 / ; 528208 ; 528312 ; 528315 ; 528317 ; 528321 ; 528330 ; 528331 ; 528335 ; 528363 ;
Abstract
Disclosed is a poly(hydrazone-hydrazide) prepared from difunctional acid chlorides and 4-(hydrazonomethyl)benzoic acid hydrazide. The poly(hydrazone-hydrazide) contains repeating units corresponding to the structure: ##STR1## Films of this polymer have unobviously high tensile and tear strengths without the necessity of biaxially orienting the film.