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. 15, 1987
Filed:
Dec. 31, 1985
Applicant:
Inventors:
Kil Whan Chun, Wyckoff, NJ (US);
Clemens A Kyllmann, Chicago, IL (US);
Assignee:
Lever Brothers Company, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D06L / ; D06L / ; C11D / ; A62D / ;
U.S. Cl.
CPC ...
8101 ; 81081 ; 8137 ; 252 97 ; 252 99 ; 252102 ; 252174 ; 25218625 ; 25218634 ; 2521872 ;
Abstract
Hard spherical bleaching particles are disclosed the core of each particle comprising a dihalohydantoin bleach active, a buffer salt and a binder which mixture when dissolved in water provides a pH of less than 9.5. The core may be encapsulated within an outer coating. Fabric pinhole damage is substantially reduced when bleaching with the foregoing particles.