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:
Nov. 09, 1976
Filed:
Dec. 17, 1974
Applicant:
Inventors:
Walter Birke, Frankfurt am Main, DT;
Hans-Ulrich VON DER Eltz, Frankfurt am Main, DT;
Franz Schon, Frankfurt am Main, DT;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07B / ; C07C / ; C07D / ; C09B / ;
U.S. Cl.
CPC ...
260282 ; 8 80 ; 8 81 ; 34-1 ; 34-4 ; 34-9 ; 34 33 ; 34 42 ; 106310 ; 203 88 ; 260208 ; 260701 ; 260704 ;
Abstract
Process for drying chemicals which comprises treating the chemicals with a burnable organic liquid and burning off the liquid to dry the chemicals. The process is particularly useful for drying chemicals such as dyestuffs, pharmaceuticals and organic intermediates by applying an aqueous methanol solution to the chemicals and burning off the methanol to dry the chemicals.