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. 12, 1978
Filed:
Feb. 06, 1975
Applicant:
Inventors:
Gunter Strehlke, Rheinkamp-Baeri, DE;
Gunther Osterburg, Homberg, DE;
Assignee:
Deutsche Texaco Aktiengesellschaft, Hamburg, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ; 203 62 ;
Abstract
Acetone containing less than 0.2 weight percent water is produced in an extractive distillation of acetone containing appreciable quantities of water by utilizing isopropyl alcohol as the extracting agent.
Strehlke, Gunter. (1978). Extractive distillation of acetone (U.S. Patent No. 4113780). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4113780
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile