Wintershall AG
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 07, 1992 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 215 Total Citation Count
- Jun 23, 1978 Earliest Filing
- 17 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
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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Expired/Abandoned/Withdrawn Patents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
5128262 Microbial decontamination of soils contaminated with hydrocarbons, in particular mineral oils by microbial oxidationExpiredSep 30, 88Jul 07, 92[C10G]
4921615 Separation of solid particles of various sizes from viscous liquidsExpiredMay 27, 88May 01, 90[C12M]
4886393 Pretreatment of solid wastes, and wastes to be compacted, for introduction into underground salt cavities of salt caverns via a downpipe under the force of gravityExpiredJan 20, 87Dec 12, 89[B09B]
4814272 Process for the biotechnical production of rhamnolipids including rhamnolipids with only one .beta.-hydroxydecanoic acid residue in the moleculeExpiredFeb 15, 85Mar 21, 89[C07G, C12P]
4692061 Process for dumping of particulate solid waste materials in underground salt enclosed cavitivesExpiredMar 29, 85Sep 08, 87[B09B, E02D]
4663039 Apparatus for removal of oil from water and adsorbents using glycolipidsExpiredMar 08, 82May 05, 87[C02B]
4576513 Process for terminal storage of pumpable wastesExpiredSep 28, 82Mar 18, 86[G21F, B65G, B09B, C02F]
4435290 Process for the temporary storage of recyclable liquid wastes in underground salt cavernsExpiredSep 28, 82Mar 06, 84[C02F]
4392892 Process for separating hydrocarbons from particulate solidsExpiredSep 18, 81Jul 12, 83[B08B]
4286660 Process and installation for the flooding of petroleum deposits and oil shaleExpiredMar 23, 79Sep 01, 81[C12M, E21B]
4269082 Resetting device for the cam head on a deep-well pump driveExpiredJun 18, 79May 26, 81[G05G]
4223730 Method for the tertiary recovery of petroleum by flooding with hot water and an aqueous alkaline solutionExpiredJun 23, 78Sep 23, 80[E21B]
Top Inventors for This Owner
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