UNION CARBIDE INDUSTRIAL GASES INC.
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Mar 30, 1993 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,193 Total Citation Count
- Nov 08, 1985 Earliest Filing
- 42 Expired/Abandoned/Withdrawn Patents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
5197296 Cryogenic rectification system for producing elevated pressure productJan 21, 92Mar 30, 93[F25J]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5048721 Method for enhancing the mixture of gases within a cylinderExpiredNov 17, 89Sep 17, 91[B67D]
4994095 Semipermeable membranes based on specific 4,4'-(1H-alkylidene)bis[2,3,6-trialkylphenol]type polyestersExpiredDec 06, 89Feb 19, 91[B01D]
4981498 PROCESS FOR DEHYDRATION OF GASES AND COMPOSITE PERMEABLE MEMBRANES THEREFORWithdrawnFeb 12, 90Jan 01, 91[]
4957050 Combustion process having improved temperature distributionExpiredSep 05, 89Sep 18, 90[F23G]
4957524 Air separation process with improved reboiler liquid cleaning circuitExpiredMay 15, 89Sep 18, 90[F25J]
4931070 Process and system for the production of dry, high purity nitrogenExpiredMay 12, 89Jun 05, 90[B01D]
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