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:
Jan. 30, 1979
Filed:
Jan. 27, 1977
Applicant:
Inventors:
Friedrich-Karl Bassier, Duisburg, DE;
Klaus Goldschmidt, Essen, DE;
Assignees:
Ruhrkohle AG, Essen, DE;
Steag AG, Essen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02D / ; E21F / ;
U.S. Cl.
CPC ...
405267 ; 249 11 ; 405263 ; 423555 ;
Abstract
A process for disposing of the residue of exhaust gas washers by utilizing them as a structural material in mines. The sulfur in the exhaust gases is reacted with calcium compounds to form CaSO.sub.4.2H.sub.2 O. The CaSO.sub.4.2H.sub.2 O is recrystallized to alpha-CaSO.sub.4.1/2H.sub.2 O, conveyed underground, mixed with water, implaced and allowed to harden to form barricades or other structures in the mine.
Bassier, Friedrich-Karl. (1979). Process for the disposal of the residue of the exhaust gas washers of (U.S. Patent No. 4136998). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4136998
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile