KERR-MCGEE COAL CORPORATION
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 30, 1992 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 234 Total Citation Count
- Oct 04, 1979 Earliest Filing
- 16 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4746498 Process for reducing gaseous sulfur dioxide content of flue gases by preheating coals prior to burning such coals and by controlling combustion temperature levelsExpiredAug 27, 84May 24, 88[C01B, F23J, B01J, F23B]
4702899 Process for treating coal to reduce sulfur content in flue gases produced by coal combustionExpiredJul 25, 86Oct 27, 87[C01B, B01J]
4645654 Reducing sulfur content in flue gases produced by coal combustionExpiredSep 28, 82Feb 24, 87[C01B, B01J]
4605421 Process for the preparation of a carbonaceous-derived solid fuel productExpiredSep 10, 84Aug 12, 86[C10L]
4299295 Process for degasification of subterranean mineral depositsExpiredFeb 08, 80Nov 10, 81[E21B]
4273193 Process for use in degasification of subterranean mineral depositsExpiredFeb 08, 80Jun 16, 81[E21B]
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