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Patent Review



Published September 3, 2009
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Detergent Patented by Procter & Gamble



U.S. Patent No. 7,569,528 B2; Procter & Gamble has patented a detergent composition. It is comprised of a lipase which is a polypeptide having an amino acid sequence which has at least 90% identity with the wild-type lipase derived from Humicola lanuginosa strain DSM 4109; compared to said wild-type lipase, comprises a substitution of an electrically neutral or negatively charged amino acid at the surface of the three-dimensional structure within 15 Angstroms of E1 or Q249 at any of positions 1-11, 169, 171, 217-225, 228-240, 243-247 with a positively charged amino acid; and comprises a peptide addition at the C-terminal; and/or comprises a peptide addition at the N-terminal and/or meets the following limitations—comprises a negative amino acid in position E210 of said wild-type lipase; comprises a negatively charged amino acid in the region corresponding to positions 90-101 of said wild-type lipase; and comprises a neutral or negative amino acid at a position corresponding to N94 or said wild-type lipase and/or has a negative or neutral net electric charge in the region corresponding to positions 90-101 of said wild-type lipase. It also contains an encapsulated perfume particle comprising an at least partially water-soluble solid matrix comprising one or more water-soluble hydroxylic compounds; and a perfume oil encapsulated by the solid matrix. The encapsulated perfume particle has a size of from approximately 1-1000 microns.

Bar Soap with UV Protection


U.S. Patent No. 7,569,210 B2; Jamie Collins Doss of Santa Fe, NM has patented a bar soap that provides UV protection through normal use of washing and rinsing as well as therapeutic and restorative properties. It contains a natural soap base for cleaning the skin; titanium dioxide and zinc oxide for providing protection against UV rays, wherein zinc oxide and titanium oxide are present in approximately 2:1 ratio, respectively, by weight; chlorophyll, lemon juice, balm of Gilead, aloe vera, vitamins, olive oil, minerals and amino acids. The balm of Gilead, chlorophyll, olive oil, aloe vera and lemon juice are present in a ratio of 1:2:1:1:3 proportions, respectively. (For more on this product, see On The Horizon)


Method for Coloring Hair


U.S. Patent No. 7,566,348 B2; Revlon Consumer Products Corporation has patented a two-step method for oxidatively coloring hair. The first step entails applying to dark hair an alkalizing composition combined with an aqueous oxidizing agent for an amount of time sufficient to lighten the hair up to or greater than two levels more than the base hair color shade. The second step entails applying an inactivated oxidative dye composition over the alkalizing composition combined with the aqueous oxidizing agent to color the hair.

Cleaning Method Patented by Reckitt Benckiser


U.S. Patent No. 7,566,689 B2;
Reckitt Benckiser, Berkshire, UK, has patented a method of washing in a washing machine. The method entails immersing in a washing machine a textile article comprised of calcium-binding moieties and an insoluble builder that is comprised of alkali metal aluminosilicate. The water has a cleaning concentrate dissolved therein, and the textile article is a carrier for calcium-binding particles which dissolve or disperse in water with which the textile article is in contact. The textile article is discarded after use.


L’Oréal Patents Dye Composition

U.S. Patent No. 7,569,078 B2; L’Oréal S.A., Paris, France, has patented a dye composition for keratin fibers that contains at least one dye chosen from oxidation dye precursors and direct dyes; at least one surfactant chosen from nonionic and anionic surfactants; at least one fatty substance; at least one nonionic cellulose modified with at least one group chosen from saturated and unsaturated, linear and branched C6-C30 hydrocarbon chains; and at least one cationic associative polymer. The dye composition comprises water in an amount greater than or equal to 40% by weight, relative to the total weight of the composition; and wherein the surfactant/fatty substance weight ratio is greater than 1.75.

Cleaning Composition Patented By Ecolab



U.S. Patent No. 7,572,759 B2;
Ecolab Inc., St. Paul, MN, has patented a heterogeneous cleaning composition that contains, by weight, more than about 75% active ingredients. The active ingredients are comprised of approximately, by weight, 20% surfactant: 20% sequestrant and approximately 1-30% active enzyme composition comprising a detersive enzyme and an activity maintenance component. The composition comprises two or more substances that are not evenly dispersed, at least one liquid and at least one powder, the composition contains no added water beyond any trace or incidental amounts present in the active ingredients, and the composition does not include a dispersant.


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