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. 13, 1977
Filed:
Jun. 17, 1976
Soltan Dzhafarovich Mekhtiev, Baku, SU;
Ramiz Gasan Rizaev, Baku, SU;
Adilya Shir Novruzova, Baku, SU;
Roida Jusuf Magerramova, Baku, SU;
Geibat Nagmetovich Suleimanov, Baku, SU;
Murshud Sary Rafiev, Baku, SU;
Fikret Dzhabrail Guseinov, Baku, SU;
Viktor Efimovich Sheinin, Baku, SU;
Other;
Abstract
A process for producing phthalonitrile, which comprises reacting o-xylene with ammonia in the presence of oxygen or a mixture thereof with inert gases and a catalyst; as the latter use is made of a mixture of oxides of bismuth, antimony, molybdenum and chromium taken in a molar ratio of 1-15:1-10:0.5-5:0.5-20 respectively or a mixture of oxides of bismuth, antimony, molybdenum and vanadium taken in a molar ratio of 1-20:1-10:0.1-15:1-20 respectively deposited onto a support.