US2009264275A1PendingUtilityA1

Materials Comprising Barium Zirconate and Methods for Manufacturing Thereof

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Individually held — no corporate assignee on recordPriority: Oct 20, 2006Filed: Jul 2, 2009Published: Oct 22, 2009
Est. expiryOct 20, 2026(~0.2 yrs left)· nominal 20-yr term from priority
Inventors:Michael David HillDavid Bowie CruickshankDavid CroninBarry Treadway
C04B 2235/3255C04B 2235/3208C04B 2235/3213C04B 35/62655C04B 2235/326C04B 35/48C04B 2235/5436C04B 35/486C04B 35/64C04B 2235/5445C04B 2235/3215C04B 2235/3258C04B 2235/3203C04B 2235/3201C04B 2235/3256C04B 2235/768C04B 35/62695C04B 2235/3281C04B 2235/3262C04B 2235/3248
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Claims

Abstract

A method for manufacturing barium zirconate particles includes providing a mixture of materials that includes barium, zirconium and a sintering aid, wherein the sintering aid includes at least one of barium tungstate, potassium niobate, tungsten oxide, barium molybdate, molybdenum oxide, potassium tantalate, potassium oxide, sodium niobate, sodium tantalate, sodium oxide, lithium niobate, lithium tantalate, lithium oxide, copper oxide, manganese oxide, zinc oxide, calcium zirconate and strontium zirconate; and heating the mixture of materials to produce barium zirconate particles that include the sintering aid.

Claims

exact text as granted — not AI-modified
1 .- 16 . (canceled) 
     
     
         17 . A mixture of materials comprising:
 barium, zirconium and at least one of barium tungstate, potassium niobate, tungsten oxide, barium molybdate, molybdenum oxide, potassium tantalate, potassium oxide, sodium niobate, sodium tantalate, sodium oxide, lithium niobate, lithium tantalate, lithium oxide, copper oxide, manganese oxide, zinc oxide, calcium zirconate and strontium zirconate.   
     
     
         18 . The mixture of materials of  claim 17 , wherein the barium and zirconium are in the form of barium zirconate. 
     
     
         19 . The mixture of materials of  claim 17 , wherein the barium is in the form of barium carbonate and the zirconium is in the form of zirconium oxide. 
     
     
         20 . A material comprising:
 a plurality of particles, wherein each of the plurality of particles includes barium zirconate and at least one of barium tungstate, potassium niobate, tungsten oxide, barium molybdate, molybdenum oxide, potassium tantalate, potassium oxide, sodium niobate, sodium tantalate, sodium oxide, lithium niobate, lithium tantalate, lithium oxide, copper oxide, manganese oxide, zinc oxide, calcium zirconate and strontium zirconate.   
     
     
         21 . The material of  claim 20 , wherein the particles each comprise a perovskite crystal structure.

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