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. 05, 1978
Filed:
Apr. 18, 1978
Applicant:
Inventor:
Helmut Westernacher, Haltern, DE;
Assignee:
Chemische Werke Huels Aktiengesellschaft, Marl, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ; 208262 ; 2606 / ; 2606 / ; 2606 / ; 2606 / ;
Abstract
A process for the purification of crude alkylate from the Friedel-Crafts alkylation of aromatics comprises introducing anhydrous ammonia under anhydrous conditions into the crude alkylate