Biocidal Composition patented by S.C. Johnson. (Patent Review).

* Patent No. 6,303,557 B1: S.C. Johnson Commercial Products has developed a fast acting disinfectant and cleaner that contains a solvent, polymeric biguanide, quaternary ammonium salt and a sequestrant.

Taste Receptors Blocked By Composition

* Patent No. 6,306,372 B1: Noville, South Hackensack, NJ, has patented an oral hygiene composition that is comprised of a taste receptor blocker and a multicomponent flavor system. The composition effectively masks the burn sensation and astringency of eucalyptol and zinc, executives said.

Lever Brothers Earns Detergent Patent

* Patent No. 6,303,558 B1: Researchers for Lever Brothers based in the UK have patented a particulate detergent composition with two different granular components, an organic detergent surfactant and a detergency builder.

Detergent Patented by Shiseido

* Patent No. 6,303,559 B1: Shiseido, Tokyo, Japan, has earned a patent for a detergent composition with an alkali metal N-methyltaurate salt of a N-acylmethyltaurine.

Stockhausen Earns Tablet Disintegrant Patent

* Patent No. 6,303,560 B1: Researchers for Stockhausen GmbH & Co. KG, Krefeld, Germany, have patented a compacted disintegrant granulate for tablets that contain a water-insoluble cellulose that swells in water, at least one polymeric binder of a polymer or copolymer of methacrylic acid and/or salts and at least one liquid surfactant.

P&G Patents Detergent Tablet

* Patent No. 6,303,581 B1: Researchers at the Procter & Gamble Company have developed a patent for a detergent tablet comprising a compressed portion in which a cavity extends from a first external surface to a second external surface and a non-compressed portion that is retained within the cavity.

Clariant Awarded Detergent And Cleanser Patent

* Patent No. 6,303,564 B1: Researchers for Clariant GmbH, Frankfurt, Germany, have patented a detergent, cleaning composition or disinfectant comprising a chlorine-active substance and a fatty acid alkyl ester ethoxylate.

Method of Stabilizing Fabric Softeners Patented

* Patent No. 6,303,565 B1: Researchers for Unilever Home & Personal Care USA, a division of Conopco, Inc., Greenwich, CT, have patented a method of improving the viscosity stability of a fabric softening composition in temperatures between 25-40 [degrees] C comprising a cationic fabric softening agent, perfume and emulsified silicone.

Dragoco Earns Patent for Sensorial Active Substance

* Patent No. 6,303,566 B1: Dragoco has been awarded a patent for a method of enhancing the organoleptic properties of a food or cosmetic with the addition of an effective amount of 2,4,6-trithiaheptane.

Alkyl-Substituted Hydroquinones Patented by Sumitomo Chemical

* Patent No. US 6,303,801 B1: Researchers for Sumitomo Chemical Company, Ltd., Osaka, Japan, have patented a process for producing an alkyl-substituted hydroquinone with a compound including hydrogen atoms and/or a straight or branched chain alkyl group.

Cognis Patents Defoaming Compositions

* Patent No. 6,303,663 B1: Cognis Corporation researchers have patented a process for making a defoaming composition containing hydrophobic silica particles.

P&G Patents Foaming Liquid Detergent

* Patent No. 6,303,563 B1: P&G researchers patented liquid detergent and foam compositions with enzymes, a boron-derived enzyme stabilizing agent and a quaternary ammonium compound.

Spray-Resistant Foam Patented by Clariant

* Patent No. 6,303,665 B1: Clariant Finance Ltd., Tortola, Virgin Islands, has patented a spray-resistant aqueous foam produced by mechanical foaming of a corresponding aqueous composition containing a curable polymer system and at least one foam stabilizer.

P&G Donates Hair Removal Technology

* Procter & Gamble has donated all the patents and intellectual properly relating to its proprietary NAC depilatory technology to TRI/Princeton in Princeton, NJ. Executives said the technology holds promise for becoming the first gentle, leave-on depilatory that eliminates "peach fuzz" facial hair. TRI/Princeton focuses research and education on polymers, fibers, films, human hair and porous materials.

"We are thrilled that TRI/Princeton will be able to continue the development of this promising technology," said Greg Hillebrand, principal scientist, P&G. "TRI/Princeton is uniquely qualified to bring the technology forward because of its depth of expertise in the science of human hair and depilatory research."