Brian Holt

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Stretford, GB

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Patents Grantslast 30 patents

Information Patent Grant
Metal deactivators
- Patent number 4,734,209
- Issue date Mar 29, 1988
- Ciba-Geigy Corporation
- Emyr Phillips
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of removing hydrogen sulphide from gases
- Patent number 4,637,926
- Issue date Jan 20, 1987
- Ciba-Geigy Corporation
- Emyr Phillips
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Piperidine derivatives
- Patent number RE31343
- Issue date Aug 9, 1983
- Ciba-Geigy Corporation
- Brian Holt
- 546 - Organic compounds
Information Patent Grant
Piperidyl carboxylates
- Patent number RE31342
- Issue date Aug 9, 1983
- Ciba-Geigy Corporation
- Brian Holt
- 542 -
Information Patent Grant
1,3-Diaminomethyl-hydantoin additives for lubricating oils
- Patent number 4,189,587
- Issue date Feb 19, 1980
- Ciba-Geigy Corporation
- Brian Holt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Corrosion inhibited lubricant compositions
- Patent number 4,178,253
- Issue date Dec 11, 1979
- Ciba-Geigy Corporation
- Peter I. Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymers stabilized by esters of piperidinols
- Patent number 4,110,305
- Issue date Aug 29, 1978
- Ciba-Geigy Corporation
- Brian Holt
- C07 - ORGANIC CHEMISTRY