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. 21, 1977
Filed:
Jul. 01, 1976
Applicant:
Inventors:
Krishan N Goel, Grand Mere, CA;
Osman J Walker, St. Lambert, CA;
Assignee:
Consolidated-Bathurst Limited, Montreal, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C / ; D21C / ; C02C / ;
U.S. Cl.
CPC ...
162 16 ; 162 29 ; 162 39 ; 162 72 ; 162D / ; 210-4 ; 210-5 ; 210-6 ; 210-7 ; 210 15 ; 210 66 ; 210 68 ;
Abstract
A process for the disposal of paper pulp mill sludge by incorporating the sludge in the digestion step of a wood pulping operation without detrimental effects on the quality of the pulp obtained. In one aspect, the sludge is surplus sludge which is obtained from a system which microbiologically purifies spent wood pulping liquor by aeration and sedimentation.
Goel, Krishan. (1977). Disposal of paper pulp mill sludge (U.S. Patent No. 4030968). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4030968
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile