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:
Apr. 28, 1981
Filed:
Oct. 06, 1977
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);
Colgate-Palmolive Company, New York, NY (US);
Abstract
A free flowing phosphate-free high bulk density particulate heavy duty laundry detergent is comprised of particles of spray dried base beads containing ion exchanging zeolite, sodium carbonate and sodium bicarbonate into which is absorbed a nonionic detergent. The product is made by spray drying an aqueous mixture of the zeolite, carbonate and bicarbonate, optionally with soluble silicate present too, decomposing some of the bicarbonate to carbonate during the drying operation and mixing nonionic detergent in liquid form with the spray dried base beads produced and absorbing such detergent into such beads.