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. 27, 1991
Filed:
Nov. 27, 1989
Applicant:
Inventors:
Fabrizio Bonaccorsi, Leghorn, IT;
Aldo Prevedello, San Donato Milanese, IT;
Armando Marcotullio, San Donato Milanese, IT;
Edoardo Platone, Asti, IT;
Arnaldo Roggero, San Donato Milanese, IT;
Elio Donati, Fano, IT;
Assignee:
Eniricerche S.p.A.-and- Snamprogetti S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C01L / ;
U.S. Cl.
CPC ...
44280 ; 44388 ; 44424 ; 44443 ;
Abstract
Storage-stable, pumpable, concentrated dispersions of coal in water contain a non-ionic additive constituted by a polymer containing polyethoxy chains grafted onto suitably functionalized polystyrenes having a molecular weight comprised within the range of from 500 to 15000.
Bonaccorsi, Fabrizio. (1991). Stabilizer and fluidifier additives for dispersions of coal in water (U.S. Patent No. 5042990). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5042990
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile