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Diego Perrone
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Cogoleto, IT
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last 30 patents
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Patent Grant
Process for the preparation of alkaline chromates from chromium min...
Patent number
5,374,408
Issue date
Dec 20, 1994
Luigi Stoppani S.p.A.
Giuseppe Bruzzone
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Product capable of inhibiting the corrosion of the reinforcements p...
Patent number
5,110,360
Issue date
May 5, 1992
Luigi Stoppani S.p.A.
Giuseppe Bruzzone
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Preparation of anhydrous sodium dichromate flakes
Patent number
5,037,620
Issue date
Aug 6, 1991
Luigi Stoppani S.p.A.
Diego Perrone
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Anhydrous sodium dichromate in flakes; process and apparatus for it...
Patent number
4,759,922
Issue date
Jul 26, 1988
Luigi Stoppani S.p.A.
Diego Perrone
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Chromium hydroxide precipitate obtained by a continuous process for...
Patent number
4,560,546
Issue date
Dec 24, 1985
Luigi Stoppani S.p.A.
Diego Perrone
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Continuous process for the removal of chromium from waste waters an...
Patent number
4,401,573
Issue date
Aug 30, 1983
Luigi Stoppani S.p.A.
Diego Perrone
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for recovering and exploiting waste of the chromic anhydride...
Patent number
4,045,340
Issue date
Aug 30, 1977
Luigi Stoppani di P Stoppani & C.
Diego Perrone
C01 - INORGANIC CHEMISTRY