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:
Sep. 27, 1983
Filed:
Jun. 04, 1982
Applicant:
Inventors:
William J Gangwisch, New Brunswick, NJ (US);
Virgil J Richter, West Orange, NJ (US);
Harold E Wixon, New Brunswick, NJ (US);
Joseph B Wraga, Bogota, NJ (US);
Assignee:
Colgate-Palmolive Company, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252 91 ; 252135 ; 252140 ; 252174 ; 25217412 ; 25217413 ; 25217414 ; 25217421 ; 25217425 ; 252179 ; 427220 ;
Abstract
A free flowing, phosphate free high bulk density particulate heavy duty laundry detergent is prepared by spray-drying an aqueous slurry of ion-exchanging detergent building zeolite particles, sodium carbonate and sodium silicate which has been sheared to reduce the viscosity thereof, followed by mixing nonionic detergent in liquid form with the spray-dried base beads to absorb the detergent into the beads.