US2005153082A1PendingUtilityA1

Boron nitride reaction capsule/vessel

39
Priority: Jan 14, 2004Filed: Jan 14, 2004Published: Jul 14, 2005
Est. expiryJan 14, 2024(expired)· nominal 20-yr term from priority
Inventors:Cressie E. Holcombe, Jr.Lloyd R. ChapmanRonald L. Beatty
F27B 14/10C01B 21/064Y10T428/131
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Claims

Abstract

A graphite capsule/vessel for producing boron nitride. The vessel has a cross-sectional area that allows reaction contents to be uniformly heated in order to yield boron nitride in a uniform consistency of crystallinity and purity and allows the reaction gaseous products to readily evolve.

Claims

exact text as granted — not AI-modified
1 . A graphite capsule/vessel for producing boron nitride which has a cross-sectional area that allows reaction contents to be uniformly heated in order to yield boron nitride in a uniform consistency of crystallinity and purity and allows the reaction gaseous products to readily evolve.  
   
   
       2 . The capsule/vessel of  claim 1  where the thickness is in the range of 0.09 to 0.75 inches.  
   
   
       3 . The capsule/vessel of  claim 1  where the thickness is in the range of 0.25 to 31 inches.  
   
   
       4 . The capsule/vessel of  claim 1  where the gaseous products evolve from an opening that has a width of approximately one-half of the diameter of the capsule/vessel and has a length substantially the same as the capsule/vessel.  
   
   
       5 . The capsule/vessel of  claim 1  where the gaseous product evolve from an opening which is approximately 50% of the longitudinal cross-sectional area of the capsule/vessel.  
   
   
       6 . The capsule/vessel of  claim 1  where the cross-sectional area is in the range of 10 to 115 sq. inches.

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