Royston H. Davis

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Rainham, EN

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Patents Grantslast 30 patents

Information Patent Grant
Transcyanohydrination
- Patent number 4,048,210
- Issue date Sep 13, 1977
- Shell Oil Company
- Royston H. Davis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclopropane carboxylates
- Patent number 4,021,466
- Issue date May 3, 1977
- Shell Oil Company
- Royston H. Davis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Precursors for insecticides
- Patent number 4,010,190
- Issue date Mar 1, 1977
- Shell Oil Company
- Royston H. Davis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pesticidal dihalovinyl-spiroalkanecyclopropane derivatives
- Patent number 3,987,193
- Issue date Oct 19, 1976
- Shell Oil Company
- Royston H. Davis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pesticidal dihalovinyl-spiroalkanecyclopropane derivatives
- Patent number 3,961,070
- Issue date Jun 1, 1976
- Shell Oil Company
- Royston H. Davis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyanobenzyl cyclopropane carboxylates
- Patent number 3,950,535
- Issue date Apr 13, 1976
- Shell Oil Company
- Royston H. Davis
- C07 - ORGANIC CHEMISTRY