UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 30, 1993 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 925 Total Citation Count
- May 15, 1978 Earliest Filing
- 47 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
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[]
4780118 Process and apparatus to produce ultra high purity oxygen from a liquid feedExpiredJul 28, 87Oct 25, 88[F25J]
4755202 Process and apparatus to produce ultra high purity oxygen from a gaseous feedExpiredJul 28, 87Jul 05, 88[F25J]
4664689 Method and apparatus for rapidly cooling optical fiberExpiredFeb 27, 86May 12, 87[C03C, C03B]
4647299 Process to produce an oxygen-free krypton-xenon concentrateExpiredAug 16, 84Mar 03, 87[F25J]
4574006 Process to produce a krypton-xenon concentrate from a liquid feedExpiredAug 16, 84Mar 04, 86[F25J]
4568528 Process to produce a krypton-xenon concentrate and a gaseous oxygen productExpiredAug 16, 84Feb 04, 86[C01B]
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