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. 02, 1995
Filed:
Aug. 16, 1993
Applicant:
Inventors:
Michael Stehr, Gelsenkirchen, DE;
Adelbert Otte, Marl, DE;
Helmut Glaser, Gelsenkirchen, DE;
Hans-Josef Ratajczak, Marl, DE;
Klaus Schulze, Haltern, DE;
Assignee:
Huels Aktiengesellschaft, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558 43 ;
Abstract
A process for the preparation of alkyl sulfate powders, which entails spraying an aqueous solution or dispersion of alkyl sulfates into a head part of a spraying tower through single-component nozzles under pressure sufficient to form a spray mist, and drying the resulting spray mist in co-current manner using an inert gas at a temperature sufficient to afford a powder having a bulk density of at least 300 g/l.
Stehr, Michael. (1995). Process for the preparation of alkyl sulfate powder having a high bulk (U.S. Patent No. 5412136). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5412136
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile