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.

Date of Patent:
Apr. 03, 1979

Filed:

Jan. 24, 1978
Applicant:
Inventors:

Milton B Frankel, Tarzana, CA (US);

Frederick D Raniere, Northridge, CA (US);

Wallace W Thompson, Tarzana, CA (US);

Edward F Witucki, Van Nuys, CA (US);

Dean O Woolery, II, Reseda, CA (US);

Assignee:

Rockwell International Corporation, El Segundo, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260644 ;
Abstract

A method of isolating nitroform from a solution of nitric acid, nitroform, and water by adding sulfuric acid and preferentially extracting the nitroform with methylene chloride. The nitroform is then extracted from the methylene chloride solution into water. It is a particular advantage of the present method that no distillations involving nitroform are required.


Find Patent Forward Citations

Frankel, Milton. (1979). Process for nitroform isolation (U.S. Patent No. 4147731). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4147731

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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