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:
May. 14, 2002
Filed:
Apr. 11, 2001
Daryle Hadley Busch, Lawrence, KS (US);
Simon Robert Collinson, Fleetwood, GB;
Timothy Jay Hubin, Eudora, KS (US);
Christopher Mark Perkins, Cincinnati, OH (US);
Regine Labeque, Brussels, BE;
Barbara Kay Williams, Cincinnati, OH (US);
James Pyott Johnston, Merchtem, BE;
David Johnathan Kitko, Cincinnati, OH (US);
James Charles Theophile Roger Burckett-St. Laurent, Cincinnati, OH (US);
Michael Eugene Burns, West Chester, OH (US);
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
Laundry or cleaning composition comprising: (a) a catalytically effective amount, preferably from about 1 ppb to about 99.9%, of a transition-metal bleach catalyst which is a complex of a transition-metal and a cross-bridged macropolycyclic ligand; and (b) at least about 0.1% of one or more laundry or cleaning adjunct materials, preferably comprising an oxygen bleaching agent. Preferred compositions are laundry compositions and automatic dishwashing detergents which provide enhanced cleaning/bleaching benefits through the use of such catalysts.