Hendrik Schadenberg

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Amsterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Dithiophosphoric acids and salts thereof and oil compositions conta...
- Patent number 4,212,751
- Issue date Jul 15, 1980
- Shell Oil Company
- Hendrik Schadenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compounds containing both urea and urethane groups
- Patent number 4,102,797
- Issue date Jul 25, 1978
- Shell Oil Company
- Hendrik Schadenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Lubricating compositions containing a di(chlorophenyl) ester of an...
- Patent number 4,062,788
- Issue date Dec 13, 1977
- Shell Oil Company
- Hendrik Schadenberg
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Process for preparing a microcrystalline wax
- Publication number 20040199040
- Publication date Oct 7, 2004
- Arend Hoek
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...