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. 17, 1976
Filed:
Jul. 07, 1975
Applicant:
Inventors:
Shozo Fujii, Nagoya, JA;
Kan Inukai, Nagoya, JA;
Assignee:
Agency of Industrial Science & Technology, Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2604 / ;
Abstract
Tetrafluoroterephthalonitrile is produced by mixing tetrachloroterephthalonitrile, dry powdered potassium fluoride and a polar solvent having a water content of not more than 0.2% by weight and heating the resultant mixture with simultaneous agitation.
Fujii, Shozo. (1976). Method for manufacture of tetrafluoroterephthalonitrile (U.S. Patent No. 3975424). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3975424
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile