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:
May. 12, 1987
Filed:
Nov. 27, 1985
Applicant:
Inventors:
Jurgen Nienhaus, Holzminden, DE;
Rudolf Hopp, Holzminden, DE;
Assignee:
Haarman & Reimer GmbH, Holzminden, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
203 59 ; 203 63 ; 203D / ; 568810 ;
Abstract
Process for the purification of crude .beta.-phenylethyl alcohol by azeotropic distillation in the presence of alkanolamines in which the alkylene chain contains 2 to 4 carbon atoms and is optionally substituted by 1 to 4 C.sub.1 -C.sub.3 -alkyl groups.
Nienhaus, Jurgen. (1987). Process for the purification of crude .beta.-phenylethyl alcohol (U.S. Patent No. 4664755). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4664755
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile