Fine particulate synthetic chalcoalumite compounds, process for their production, and heat insulator and agricultural film containing the fine particulate synthetic chalcoalumite compounds
Patent 6306494 Issued on October 23, 2001. Estimated Expiration Date: 
July 23, 2019. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 23, 2019. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesPreparation of methanol synthesis catalyst comprising zinc, copper and aluminum Synthetic chalcoalumite compounds and process for producing thereof Synthetic chalcoalumite-type compounds and processes for producing the same Patent #: 5980856 InventorsAssigneeApplicationNo. 359739 filed on 07/23/1999US Classes:428/328, Heavy metal or aluminum or compound thereof423/306, Plural metal or metal and ammonium containing423/308, Orthophosphate (e.g., calcium hydroxyapatite)423/327.1, Aluminum containing423/395, Nitrate423/397, Utilizing ammonium or metal nitrate as reactant423/419.1, Carbonate or bicarbonate423/420.2, Plural metal containing423/430, Alkaline earth metal containing (Mg, Ca, Sr, or Ba)423/431, By reacting sulfur or halogen containing compound423/554, Alkaline earth metal containing (Mg, Ca, Sr, or Ba)423/556, Aluminum containing423/594.3, Nickel (Ni) containing423/595, Chromium (e.g., chromate, etc.)423/596, And alkali metal, alkaline earth metal, or ammonium containing423/600, Aluminum (e.g., aluminate, etc.)423/604, Group IB metal (Cu, Ag, or Au)423/625, Aluminum428/403CoatedExaminersPrimary: Le, Hoa VanForeign Patent References
International ClassesB32B 005/16C01F 007/02 Foreign Application Priority Data1998-07-27 JPAbstractNovel, fine particulate synthetic chalcoalumite, process for preparation thereof, and a heat insulating agent and agricultural film containing said fine, particulate synthetic chalcoalumite. The above objects are met by synthetic chalcoalumite represented by formula (1) below:(M12+)a-x (M22+)Al3+4 (OH)b (An-)c. mH2 O (1) (in which M12+ stands for Zn2+ or Cu2+, M22+ is at least one divalent metal ion selected from Ni2+, Co2+, Cu2+, Zn2+ and Mg2+, a is 0.3<a<2.0 (with the proviso that M1 and M2 are not the same), x is 0 ࣘx<1.0, and x<a b is 10<b<14, An- is at least one selected from SO42-, HPO42-, CO32-, SO32-, HPO32-, NO3-, H2 PO4-, Cl-, OH- and silicate ion, c is 0.4<c<2.0 and m is 0-4),which has an average secondary particle diameter of not more than about 3 μm and a BET specific surface area of not more than about 30 m2 /g; resin compositions containing the same; and agricultural film composed of said resin compositions.Field of SearchIncluding a second component containing structurally defined particlesHeavy metal or aluminum or compound thereof Coated Plural metal or metal and ammonium containing Orthophosphate (e.g., calcium hydroxyapatite) Aluminum containing Nitrate Utilizing ammonium or metal nitrate as reactant Carbonate or bicarbonate Plural metal containing Alkaline earth metal containing (Mg, Ca, Sr, or Ba) By reacting sulfur or halogen containing compound Plural metal or metal and ammonium containing Iron group metal or copper (Fe, Co, Ni, or Cu) Group IIIA metal or beryllium (Al, Ga, In, Tl, or Be) Sulfite Alkaline earth metal containing (Mg, Ca, Sr, or Ba) Aluminum containing |
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