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. 15, 1984
Filed:
May. 20, 1982
Applicant:
Inventor:
Frederick W Gray, Summit, NJ (US);
Assignee:
Colgate-Palmolive Company, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; D06L / ;
U.S. Cl.
CPC ...
252102 ; 252 95 ; 252 99 ; 25217416 ; 25218626 ; 25218642 ; 252545 ;
Abstract
An improved bleaching and laundering composition is provided comprising monoperoxyphthalic acid and/or a water-soluble salt thereof and a chelating agent capable of forming a substantially water-soluble complex with metal ion in aqueous solution. A method of bleaching and laundering soiled and/or stained materials with the aforesaid bleaching composition is also described. A preferred chelating agent is diethylene triamine pentamethylene phosphonic acid (DTPMP) and/or a water-soluble salt thereof.