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:
Dec. 29, 2020
Filed:
Dec. 07, 2011
Gregory Scot Miracle, Hamilton, OH (US);
Robert L. Mahaffey, Spartanburg, SC (US);
Xiaoyong Michael Hong, Greer, SC (US);
Eduardo Torres, Boiling Springs, SC (US);
Dominick J. Valenti, Greenville, SC (US);
Gregory Scot Miracle, Hamilton, OH (US);
Robert L. Mahaffey, Spartanburg, SC (US);
Xiaoyong Michael Hong, Greer, SC (US);
Eduardo Torres, Boiling Springs, SC (US);
Dominick J. Valenti, Greenville, SC (US);
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
Bis-azo colorants for use as bluing agents, laundry care compositions including bis-azo colorants that may serve as bluing agents, processes for making such bluing agents and laundry care compositions and methods of using the same. The bluing agents are generally include at least two components: at least one chromophore component and at least one polymeric component. These bluing agents are advantageous in providing a whitening effect to fabrics, while not building up over time and causing undesirable blue discoloration to the treated fabrics.