# US 2006/0222605 A1 · Sulfur-modified zinc oxide > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2006/0222605 A1 - Document ID: US20060222605A1 - Status: Published application - Kind: A1 - Application number: 11/396,900 - Filed: 2006-04-04 - Published: 2006-10-05 - Earliest claimed: 2005-04-05 - Assignees: Universitat Hannover - Inventors: Michael Binnewies; Sonja Locmelis - Web page: https://patentgrep.com/patent/US20060222605A1 ## CPC - A61K 33/30: Zinc; Compounds thereof - A61K 33/12: Magnesium silicate - A61K 33/24: Heavy metals; Compounds thereof - C01G 9/00: Compounds of zinc - C01G 9/006: {Compounds containing zinc, with or without oxygen or hydrogen, and containing two or more other elements} - C09C 1/04: Compounds of zinc {(C09C1/0003, C09C1/0009, C09C1/0015, C09C1/0078 take precedence)} - C09D 7/61: inorganic - C09D 7/68: {Particle size between 100-1000 nm} - C09D 7/69: {Particle size larger than 1000 nm} - C01P 2002/30: Three-dimensional structures - C01P 2002/70: defined by measured X-ray, neutron or electron diffraction data - C08K 3/22: of metals - C08K 3/30: Sulfur-, selenium- or tellurium-containing compounds - A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D) - C01G: COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F (metal hydrides {monoborane, diborane or addition complexes thereof} C01B6/00; salts of oxyacids of halogens C01B11/00; peroxides, salts or peroxyacids C01B15/00; thiosulfates, dithionites, polythionates C01B17/64; compounds containing selenium, or tellurium C01B19/00; binary compounds of nitrogen with metals C01B21/06; azides C01B21/08; {compounds containing nitrogen, other non-metals and metal C01B21/082}; metal amides C01B21/092; nitrites C01B21/50; {compounds of noble gases C01B23/0005}; phosphides C01B25/08; salts of oxyacids of phosphorus C01B25/16; carbides C01B32/90; compounds containing silicon C01B33/00; compounds containing boron C01B35/00; compounds having molecular sieve properties but not having base-exchange properties C01B37/00; compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites, C01B39/00; cyanides C01C3/08; salts of cyanamide C01C3/16; thiocyanates C01C3/20) - C09C: TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES (treatment of materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone C04B14/00, C04B18/00, C04B20/00); PREPARATION OF CARBON BLACK {; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS} - C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D) - C01P: INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) ## Abstract The present invention relates to particles or powders of a compound of formula Zn1-yMyO1-xSx, wherein x has a value in the range from 0.01 to 0.08, M represents a divalent metal and y has a value in the range from 0 to 0.2, the compound having a wurtzite structure. ## Claims ### Claim 1 Particle or powder of a compound of formula Zn1-yMyO1-xSx, wherein: x has a value in the range from 0.01 to 0.08, M represents a divalent metal, y has a value in the range from 0 to 0.2, and the compound has a wurtzite structure. ### Claim 2 (depends on 1) Particle or powder according to claim 1, wherein y has a value in the range from 0 to 0.0002. ### Claim 3 (depends on 1) Particle or powder according to claim 1, wherein x has a value in the range from 0.01 to 0.05. ### Claim 4 (depends on 1) Particle or powder according to claim 1, wherein the particle or powder is single-phase. ### Claim 5 (depends on 1) Particle or powder according to claim 1, wherein the particle has a particle size or the powder has a mean grain size of 300 nm or more. ### Claim 6 (depends on 5) Particle or powder according to claim 5, wherein the particle has a particle size or the powder has a mean grain size in the range from 1 to 500 μm. ### Claim 7 (depends on 1) Particle or powder according to claim 1, wherein M is selected from the group consisting of: Cr, Mn, Fe, Co, Ni, Cu, Cd and Mg. ### Claim 8 (depends on 1) Article comprising particles or powder according to claim 1. ### Claim 9 (depends on 8) Article according to claim 8, wherein the article comprises the particles or powder in the region of its surface, so that the particles or powder are able to develop a UV-absorbing action when the article is used. ### Claim 10 (depends on 9) Article according to claim 9, wherein the article is a cosmetic or pharmaceutical preparation, a plastics material, a paint or a surface coating. ### Claim 11 (depends on 8) Article according to claim 8, wherein the article comprises said particles or powder in an antimicrobially effective amount and/or in an amount that promotes the healing of wounds. ### Claim 12 (depends on 1) An ultraviolet light absorbent composition comprising a particle or powder according to claim 1. ### Claim 13 (depends on 1) Process for the preparation of powders according to claim 1, comprising the following step: heating ZnO and ZnS together in the presence of a halogen or halogen compound. ### Claim 14 (depends on 13) Process for the preparation of powders according to claim 13, comprising the following steps: producing an aqueous suspension of zinc hydroxide, contacting the zinc hydroxide with sulfide anions so that a reaction precipitate forms, and subjecting the reaction precipitate to heat. ### Claim 15 (depends on 1) Method of absorbing UV radiation, comprising the following step: exposing a particle or powder according to claim 1 to UV radiation.