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:
Aug. 10, 1976
Filed:
Nov. 19, 1973
Applicant:
Inventors:
Luigi Rivola, San Donato Milanese, IT;
Bruno Notari, San Donato Milanese, IT;
Assignee:
Snam Progetti S.p.A., San Donato Milanese, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260541 ; 2605 / ;
Abstract
An ammonium organic salt is recovered from an aqueous solution in which it is contained at a concentration in the range from 0.2% to the salt solubility limit by atomizing the solution in hot air at a temperature in the range of 100.degree. to 150.degree.C.