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. 05, 1985
Filed:
Sep. 07, 1983
Applicant:
Inventors:
Robert van Helden, Amsterdam, NL;
Petrus A Kramer, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568705 ;
Abstract
Nitrophenylalkanols are prepared by hydroxyalkylation of nitrotoluene(s) by the reaction with an aldehyde in the presence of a solid catalyst prepared by depositing an alkali metal compound on an alumina support.