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. 25, 1976
Filed:
May. 14, 1974
Applicant:
Inventors:
Carlo Piccinini, San Donato Milanese, IT;
Morello Morelli, San Donato Milanese, IT;
Pierluigi Rebora, San Donato Milanese, IT;
Assignee:
Snam Progetti S.p.A., San Donato Milanese, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ;
Abstract
The preparation of propylene oxide by means of direct oxidation of propylene with oxygen or air in the presence of silver based catalysts is characterized by carrying out the reaction in the presence of water vapor in a quantity between 2 and 25%.