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. 14, 1992
Filed:
Jul. 18, 1990
Applicant:
Inventors:
Jaime Palencia Adrubau, Badalona, ES;
Jaume Castella Sola, Badalona, ES;
Assignee:
Sociedad Espanola de Desarrollos Quimicos S.A., Barcelona, ES;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568810 ; 568809 ; 568812 ;
Abstract
1,1-bis(4-chlorophenyl)-2,2,2-trichloroethanol is separated from a mixture comprising by way of the formation of an addition compound between 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethanol and a moderately electron donating compound, preferably selected from a group formed by dimethyl sulphoxide, cyclohexanone, isophoron, pyridine, 1,4-dioxane, acetic acid, acetonitrile and water.
Palencia Adrubau, Jaime. (1992). Process for the preparation of (U.S. Patent No. 5081319). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5081319
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile