Inventor

MALATESTA VINCENZO

IT10 patents

⚠️ This page may combine multiple inventors who share the name “MALATESTA VINCENZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GREAT LAKES CHEMICAL EUROP

3 patents

US6414057B1Jul 2, 2002

Photochromatic compounds, process for their preparation and their use in polymeric materials

GREAT LAKES CHEMICAL EUROP18 citations80

US6605658B1Aug 12, 2003

Stabilizing mixtures for organic polymers comprising a pyrazolone, an organic phosphite or phosphonite and a hindered phenol

GREAT LAKES CHEMICAL EUROP18 citations79

US7262294B2Aug 28, 2007

Photochromatic pyrano-1,3-oxazinonaphthalene derivatives

GREAT LAKES CHEMICAL EUROP0 citations39

CANADIAN PATENTS DEV

2 patents

US4388242AJun 14, 1983

Method of production of vitamin-D

CANADIAN PATENTS DEV36 citations89

US4447304AMay 8, 1984

Production of carbonyl fluoride

CANADIAN PATENTS DEV2 citations59

MINI RICERCA SCIENT TECNOLOG

2 patents

US5532361AJul 2, 1996

Spiro-pyranic compounds endowed with photochromic characteristics

MINI RICERCA SCIENT TECNOLOG4 citations61

US5688846ANov 18, 1997

Spiro-pyranic compounds endowed with photochromic characteristics

MINI RICERCA SCIENT TECNOLOG1 citations51

GREAT LAKES CHEMICAL ITALIA

1 patent

US5543533AAug 6, 1996

Photochromic products and method for their preparation

GREAT LAKES CHEMICAL ITALIA27 citations91

ENICHEM SINTESI

1 patent

US5242624ASep 7, 1993

Stabilizing mixture for compounds having a photochromatic activity

ENICHEM SINTESI12 citations73

MONTEDISON SPA

1 patent

US4826755AMay 2, 1989

Process of photoetching of superficial coatings based on polymeric materials

MONTEDISON SPA3 citations62