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:
Dec. 29, 1987
Filed:
Jun. 14, 1985
Applicant:
Inventors:
Keith C Murdock, Pearl River, NY (US);
Richard L Webb, Darien, CT (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
260380 ; 260382 ;
Abstract
This disclosure describes a novel process for liberating the free bases of certain 1,4-di[.omega.-(2-hydroxyethylamino)alkylamino]anthraquinones from the salts thereof.
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Murdock, Keith. (1987). Process for preparing certain (U.S. Patent No. 4715993). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4715993
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