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:
Jun. 19, 1984
Filed:
Jan. 18, 1983
Viktor M Sizyakov, Leningrad, SU;
Nikolai A Kaluzhsky, Leningrad, SU;
Khoren A Badaiants, Pikalevo;, SU;
Ivan M Kostin, Pikalevo, SU;
Isaak A Zatulovsky, Pikalevo, SU;
Evgeny A Isakov, Pikalevo, SU;
Zarya N Alexandrova, Pikalevo, SU;
Valentin N Afanasiev, Pikalevo, SU;
Vinetsy I Chernov, Pikalevo, SU;
Alexandr G Zhukov, Pikalevo, SU;
Viktor S Kutsenko, Pikalevo, SU;
Galina M Vysotskaya, Leningrad, SU;
Evgenia S Ostrovlyanchik, Kolomna, SU;
Evgeny I Mironov, Achinsk, SU;
Pavel S Vladimirov, Leningrad, SU;
Alexei I Alexeev, Leningrad, SU;
Leonid I Finkelshtein, deceased, late of Achinsk, SU;
Nina J Finkelshtein, administrator, Lvov, SU;
Julia L Finkelshtein, administrator, Lvov, SU;
Abstract
The present invention relates to the production of alumina and, more specifically, to a process for desilication of aluminate solutions. The process of desilication according to the present invention comprises treatment of the aluminate solution first with a calcium-containing reagent 'a' which is a product of the reaction of desilication of the aluminate solution; reagent 'a' contains mainly calcium hydrogarnet of the formula: