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:
Dec. 29, 2009
Filed:
Jun. 21, 2005
Yvette Pescher, Paris, FR;
Robert Talbot, Cannock, GB;
Luc Louvel, Lyons, FR;
Agnes Pilas-begue, Saint-Romain, FR;
Yvette Pescher, Paris, FR;
Robert Talbot, Cannock, GB;
Luc Louvel, Lyons, FR;
Agnes Pilas-Begue, Saint-Romain, FR;
Rhodia Operations, Aubervilliers, FR;
Abstract
The invention provides the use of an effective amount of a non-oxidizing water-soluble biocide in the improvement of sludge quality by reducing the sludge tendency towards bulking, wherein the biocide comprises an alkyl-substituted phosphonium compound, an alkyl-substituted phosphine, an alkyl-substituted phosphine condensate, or a polymeric quaternary ammonium compound.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile