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. 06, 1998
Filed:
Aug. 08, 1996
Applicant:
Inventors:
Timothy Rech Demmin, Grand Island, NY (US);
Valeriy Georglevitch Barabanov, St. Petersburg, RU;
Svetlana Ivanovna Ozol, St. Petersburg, RU;
Victor Grigorievitch Temchenko, St. Petersburg, RU;
Assignee:
AlliedSignal Inc., Morristown, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2041576 ; 20415763 ; 20415794 ; 570101 ;
Abstract
A process for the preparation of 1,1,1,3,3-pentachloropropane (HCC-240fa). HCC-240fa is prepared by the photochlorination of 1,1,1,3-tetrachloropropane (HCC-250). HCC-240fa is an important intermediate in the preparation of 1,1,1,3,3-pentafluoropropane (HFC-245fa) an HFC blowing agent which is not destructive to the ozone layer.
Demmin, Timothy. (1998). Preparation of 1,1,1,3,3-pentachloropropane by photochlorination of (U.S. Patent No. 5705779). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5705779
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile