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:
Sep. 28, 1982
Filed:
Oct. 08, 1980
Teddy M Keller, Alexandria, VA (US);
James R Griffith, Riverdale Heights, MD (US);
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
Iodophthalonitrile is prepared by mixing aminophthalonitrile with sulfuric acid at a temperature below 25.degree. C., reacting that product with sodium nitrite at a temperature below 15.degree. C., and reacting that product with potassium iodide at a temperature below 20.degree. C. A fluoroalkyl phthalonitrile is prepared by mixing fluoroalkyl iodide, activated copper, iodophthalonitrile, and a solvent under an inert atmosphere at a temperature from 110.degree. C. to 125.degree. C. at least until the solution turns green. Both compounds are useful in synthesizing phthalocyanines and polyphthalocyanines.