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:
Feb. 22, 1977
Filed:
Apr. 16, 1975
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260663 ;
Abstract
In the preparation of isopropyl chloride wherein propylene and hydrogen chloride are reacted at elevated temperature in the gaseous phase in the presence of aluminum oxide as catalyst, the improvement which comprises effecting the reaction at a pressure of about 3 to 8 atm, at a temperature of about 50.degree. to 200.degree. C and in the presence of aluminum oxide having an internal surface area of about 200 to 500 m.sup.2 /g.