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Giovanni Ghelli
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Savona, IT
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last 30 patents
Information
Patent Grant
Process for recovering chromic anhydride from exhausted aqueous chr...
Patent number
5,112,583
Issue date
May 12, 1992
Luigi Stoppani S.p.A.
Giuseppe Bruzzone
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Adduct of mutually stabilizing menadione and thiamine
Patent number
4,568,745
Issue date
Feb 4, 1986
Luigi Stoppani S.p.A.
Giovanni Ghelli
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Tanning material containing basic chromic sulfate and mercaptoaceti...
Patent number
4,497,634
Issue date
Feb 5, 1985
Luigi Stoppani S.p.A.
Giovanni Ghelli
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Two stage process for preparing 2,6-pyridinedicarboxylic acid
Patent number
4,419,515
Issue date
Dec 6, 1983
Luigi Stoppani S.p.A.
Giovanni Ghelli
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Two stage process for preparing 2,6-pyridin-dicarboxylic acid
Patent number
4,237,301
Issue date
Dec 2, 1980
Luigi Stoppani S.p.A.
Giovanni Ghelli
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Highly selective oxidizing process for preparing pyridin-carboxylic...
Patent number
4,217,457
Issue date
Aug 12, 1980
Luigi Stoppani S.p.A.
Giovanni Ghelli
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for decontaminating waste material from chromium mineral pro...
Patent number
4,139,460
Issue date
Feb 13, 1979
Luigi Stappani di P. Stappani & C.
Giovanni Ghelli
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...