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. 27, 2004
Filed:
Aug. 24, 2001
Applicant:
Inventors:
Anthony Dovey, Swarland, GB;
Peter Gerard Gray, Killingworth, GB;
Gail Margaret Baston, Whitley Bay, GB;
Zoe Dyter, Gosforth, GB;
Christopher Charles Driffield, High Heaton, GB;
David William York, Ponteland, GB;
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 1/100 ;
U.S. Cl.
CPC ...
C11D 1/100 ;
Abstract
A process for manufacturing effervescence component comprises grinding a coarse acid source to obtain an acid source whereof at least 75% has a particle size from 0.1 to 150 microns, mixing the ground acid source and the carbon dioxide source and optionally the binder and/or other actives to form a mixture, and submitting the mixture to a granulation step, preferably comprising a compaction step and/or an agglomeration step.