united states patent 3944653 antimony trioxide
rity antimony trichloride by reacting the antimony sul fide bearing ore with a source of chlorine to form high purity antimony trichloride and sulfur or hydrogen sul fide as1996年9月12日· United States Patent Abstract: A process for the production of antimony trioxide comprising the steps of: (i) reacting antimony trisulfide with iron (III)Process for producing antimony trioxide Roycefield Resources Ltd
United States Prior art keywords antimony trioxide microns particle size order low opacity Prior art date Legal status (The legal status is an assumption and is not athe antimony trioxide A slag rich in antimony trioxide is produced, along with lead metal which contains a small amount of antimony and settles to the bottom of the containerANTIMONY OXDE US PATENT DOCUMENTS
United States Legal status (The legal status is an assumption and is not a legal conclusion Google has not performed a legal analysis and makes no representation as to the2023年5月26日· World Intellectual Property Organization (WIPO) provides PATENTSCOPE ® Search Service, which features a fulltext search of published international patentSearch for patents | USPTO United States Patent and
United States Patent (19) (11) 4,022,710 Kobashi et al 45) May 10, 1977 ANTMONY OXDE FOREIGN PATENTS OR APPLICATIONS antimony trioxide with hydrogenUS PATENT DOCUMENTS Primary ExaminerG Ozaki Attorney, Agent, or FirmAlbert F Kronman (57) ABSTRACT Disclosed is a process for extracting antimony trioxide fromUnited States Patent (19)
Antimony trioxide (Sb2O3) Valid: NJRTKHS Antimony trioxide Valid: CA Index Antimony oxide (Sb2O3) Valid: IARC Antimony trioxide Valid: ITER AntimonyPreparation of antimony triacetate Classifications C08G63/866 Antimony or compounds thereof View 2 more classifications USA United States Download PDF Find Prior Art Similar InventorUSA Preparation of antimony triacetate Google Patents
2023年5月26日· Public Search Facility The United States Patent and Trademark Office (USPTO) Public Search Facility located in Alexandria, VA provides the public access to patent and trademark information in a variety of formats including online, microfilm, and print Trained staff are available to assist public usersUnited States Patent and Trademark Office Patents Trademarks Fees and payment Help FAQs; Contact us; MyUSPTO Search This is the USPTO search system United States Patent and Trademark Office United States Patent and Trademark Office Browse By Topic Browse By TopicSearch
USA Production of polyethylene terephthalate using antimony trioxide as polymerization catalyst Google Patents References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 2,465,319 Whinfield et al Mar 22, 1949 2,534,028 Izard Dec 12, 1950 ANTIMONY OXDE US PATENT DOCUMENTS United States Patent (19) Foerster et al 11) 4,194,904 Mar 25, 1980 54 PRODUCTION OF PURIFIED LEAD AND ANTIMONY OXDE 75 Inventors: George S Foerster, Hightstown; Harold A Stuhler, Brown Mills, both of NJ 73) Assignee: NL Industries, Inc, New York, NY 21 Appl No: 931,284ANTIMONY OXDE US PATENT DOCUMENTS
United States Prior art keywords resin weight chlorinated polyethylene antimony trioxide acrylonitrile Prior art date Legal status (The legal status is an assumption and is not a legal conclusion Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed) Expired LifetimeUnited States Patent (19) (11) 4,022,710 Kobashi et al 45) May 10, 1977 ANTMONY OXDE FOREIGN PATENTS OR APPLICATIONS antimony trioxide with hydrogen peroxide in an aque ous medium We further studied and found that, when the above mentioned oxidation reaction with hydrogenUNITED STATES PATENTS
Antimony borate glass compositions Abstract A glass for sealing metallic leadin conductors in fused silica comprising a low melting antimony borate glass which preferably contains a smallUnited States Patent Abstract: A lubricant additive that includes antimony thioantimonate and antimony trioxide in a specified ratio for enhancing the extreme pressure, antiwear, and antiabrasive properties of conventional lubricants as well as for use in lubrication of a wide variety of lubricated contact surfacesLubricant additive mixtures of antimony thioantimonate and antimony
USA USA USA USA US A US A US A US A US A US A US A US A US A US A US A US A Authority US United States Prior art keywords antimony trioxide impure atmosphere neutral treating Prior art date 年5月26日· Public Search Facility The United States Patent and Trademark Office (USPTO) Public Search Facility located in Alexandria, VA provides the public access to patent and trademark information in a variety of formats including online, microfilm, and print Trained staff are available to assist public usersSearch for patents | USPTO United States Patent and
United States Patent and Trademark Office Patents Trademarks Fees and payment Help FAQs; Contact us; MyUSPTO Search This is the USPTO search system United States Patent and Trademark Office United States Patent and Trademark Office Browse By Topic Browse By TopicOCCURRENCE AND USE Antimony trioxide is formed by reacting antimony trichloride (SbCl 3) with waterIt is used in combination with some brominated flame retardants, and might also be used in conjunction with zinc borate, both within and outside the United States on commercial furniture, draperies, wall coverings, and carpets (RCKidder,Antimony Trioxide Toxicological Risks of Selected Flame
Tools Antimony (III) oxide is the inorganic compound with the formula Sb 2 O 3 It is the most important commercial compound of antimony It is found in nature as the minerals valentinite and senarmontite [3] Like most polymeric oxides, Sb 2 O 3 dissolves in aqueous solutions with hydrolysis2023年3月10日· Antimony trioxide was nominated by the Consumer Products Safety Commission and The National Institute of Environmental Health Sciences for National Toxicology Program testing due to the potential for substantial human exposure in occupational settings and the lack of adequate 2year exposure carcinogenicity studiesAbstract for TR590 National Toxicology Program
USA Recovery of antimony Google Patents Recovery of antimony Classifications C22B30/02 Obtaining antimony USA United States Download PDF Find Prior Art SimilarAntimony trioxide is a compound produced from antimony, a lustrous gray metalloid, or naturally occurring antimonyoxide containing minerals When added to flame retardants, it significantly reduces the amount of product required while maintaining the same level of effectiveness Antimony trioxide is also used in the production of polyethyleneRoC Review of Antimony Trioxide National Toxicology Program
A resinous composition suitably used for molding purposes composed of an acrylonitrilechlorinated polyethylenestyrene ternary resin and antimony trioxide and possessing high flame retardancy
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