CARBORUNDUM COMPANY, THE
Patent Owner
Stats
- 20 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jan 25, 2000 most recent publication
Details
- 20 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 853 Total Citation Count
- Aug 03, 1978 Earliest Filing
- 22 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5945062 Silicon carbide reinforced reaction bonded silicon carbide compositeFeb 17, 98Aug 31, 99[B28B]
5817432 Silicon carbide reinforced reaction bonded silicon carbide compositeAug 16, 96Oct 06, 98[B32B]
5741403 Ceramic substrates and magnetic data storage components prepared therefromDec 18, 96Apr 21, 98[G11B]
5626943 Ultra-smooth ceramic substrates and magnetic data storage media prepared therefromJun 02, 94May 06, 97[G11B, B32B]
5563108 Raw batch for producing reaction-bonded silicon carbide refractory productMay 25, 95Oct 08, 96[C04B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6017485 Process for making a low electrical resistivity, high purity aluminum nitride electrostatic chuckExpiredMar 28, 96Jan 25, 00[C04B]
5436042 Ceramic fiber-reinforced composite articles and their productionExpiredMar 11, 94Jul 25, 95[F16B]
5296311 Silicon carbide reinforced reaction bonded silicon carbide compositeExpiredMar 17, 92Mar 22, 94[B32B]
5252361 Protective coating for non-oxide sintered fibers generated by in situ chemical reactionExpiredJan 19, 90Oct 12, 93[C23C]
5212125 Process for sintering aluminum nitride using organometallic compoundsExpiredNov 20, 90May 18, 93[C04B, F27B]
5171491 Method of producing near net shape fused cast refractoriesExpiredFeb 08, 91Dec 15, 92[C04B, B29D]
5154907 Process for the continuous production of high purity, ultra-fine, aluminum nitride powder by the carbo-nitridization of aluminaExpiredApr 25, 90Oct 13, 92[C01B]
5108713 Apparatus for the continuous production of high ultra-fine, aluminum nitride powder by the carbo-nitridization of aluminaExpiredFeb 21, 90Apr 28, 92[F27B]
5028572 Near net shape fused cast refractories and process for their manufacture by rapid melting/controlled rapid coolingExpiredNov 23, 88Jul 02, 91[C04B]
4621017 Corrosion and wear resistant graphite material and method of manufactureExpiredMar 05, 84Nov 04, 86[C04B]
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