Alan Marshall

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Macclesfield, GB

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Patents Grantslast 30 patents

Information Patent Grant
Method for scale control
- Patent number 4,351,796
- Issue date Sep 28, 1982
- Ciba-Geigy Corporation
- Alan Marshall
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of treating aqueous systems with phosphonoadipic acids
- Patent number 4,265,769
- Issue date May 5, 1981
- Ciba-Geigy Corporation
- John G. Dingwall
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification process
- Patent number 4,251,492
- Issue date Feb 17, 1981
- Ciba-Geigy Corporation
- Alan Marshall
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Telomeric phosphorus corrosion inhibiting compositions
- Patent number 4,239,648
- Issue date Dec 16, 1980
- Ciba-Geigy Corporation
- Alan Marshall
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Phosphonoadipic acid additives to aqueous systems
- Patent number 4,208,344
- Issue date Jun 17, 1980
- Ciba-Geigy Corporation
- John G. Dingwall
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Treatment of aqueous systems
- Patent number 4,192,744
- Issue date Mar 11, 1980
- Ciba-Geigy Corporation
- David R. Clark
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE