Article: Hair dye patented by Kao.(Patent Review)

Article: Combe Incorporated patents hair dye.(Patent ...
Household & Personal Products Industry;  October 1, 2006 ;     554 words ...Patent No. US 7,097,668 B2: A temporary hair dye composition comprised of a cationic dye, water soluble anionic polymer, alkalizer and water has been patented by Combe Incorporated, White Plains, NY.

Article: L'Oreal patents direct hair dye. (Patent ...
Household & Personal Products Industry;  February 1, 2003 ;     402 words ...* Patent No. US 6,436,153 B2: L'Oreal S.A. researchers were awarded a patent for a direct hair dye comprising at least one cationic direct dye and at least one compound chosen from [C.sub.6]-[C.sub.8] aromatic ethers ...

Article: Shiseido patents hair dye ...
Household & Personal Products Industry;  March 1, 2007 ;     540 words ...Patent No. US 7,166,136 B2: A hair dye preparation comprising a long-chain acyl sulfonic acid salt anionic surfactant has been patented by Shiseido Company, Ltd., Tokyo, Japan.

Article: Hair dye patented with methoxymethylbenzene. ...
Household & Personal Products Industry;  July 1, 2003 ;     376 words ...* Patent No. US 6,558,433 B2: Swiss researchers for Wella AG, Darmstadt, Germany, were awarded a hair dye patent comprising the following steps: providing an oxidation dye precursor composition that has at least one coupler compound ...

Article: Hair dye patented by Kao. (Patent ...
Household & Personal Products Industry;  June 1, 2003 ;     431 words ...* Patent No. US 6,533,823 B2: Kao Corp., Tokyo, patented a hair dye composition comprising a bydrolyzate of a lower alkyl vinyl ether/maleic anhydride copolymer partially crosslinked with a terminally ...

Article: Hair dye.(Patent Review)
Household & Personal Products Industry;  December 1, 2008 ;     507 words ...U.S. Patent No. 7,429,275 B2 L'Oreal S.A. has patented a method of dying human keratin materials that involves application of at least one direct dye comprising at least one non-metallic or metallic cationic compound chosen from porphyrin compounds and phthalocyanin compounds, wherein the metal

Article: Goldwell patents hair dye. (Patent ...
Household & Personal Products Industry;  December 1, 2001 ;     353 words ...Patent No. US 6,302,920 B1: Researchers for Goldwell AG, Germany, patented a pulverulent composition to bleach or dye hair using a bleaching compound, a pulverulent silica and starch-carrier and a wax compound.