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Luciana Crisci
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Sant Angelo Lodigiano, IT
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Patents Grants
last 30 patents
Information
Patent Grant
Photochromatic pyrano-1,3-oxazinonaphthalene derivatives
Patent number
7,262,294
Issue date
Aug 28, 2007
Great Lakes Chemical (Europe) GmbH
William Giroldini
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photochromatic compounds, process for their preparation and their u...
Patent number
6,414,057
Issue date
Jul 2, 2002
Great Lakes Chemical (Europe) GmbH
Luciana Crisci
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Light-stabilized organic polymers
Patent number
6,353,044
Issue date
Mar 5, 2002
Great Lakes Chemical Italia S.r.l.
Luciana Crisci
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromatic and thermochromatic compounds and their application...
Patent number
5,730,908
Issue date
Mar 24, 1998
Enichem Synthesis S.p.A.
Nereo Nodari
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Spiro-pyranic compounds endowed with photochromic characteristics
Patent number
5,688,846
Issue date
Nov 18, 1997
Ministero Dell' Universita' E Della Ricerca Scientifica E Tecnologica
Pietro Allegrini
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromic products and method for their preparation
Patent number
5,543,533
Issue date
Aug 6, 1996
Great Lakes Chemical Italia S.r.l.
Pietro Allegrini
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Spiro-pyranic compounds endowed with photochromic characteristics
Patent number
5,532,361
Issue date
Jul 2, 1996
Ministero Dell'Universita' e Della Ricerca Scientifica e Technologica
Pietro Allegrini
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stabilizing mixture for compounds having a photochromatic activity
Patent number
5,242,624
Issue date
Sep 7, 1993
Enichem Synthesis S.p.A.
Vincenzo Malatesta
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photochromatic compound, a method for its preparation, and articles...
Patent number
5,225,563
Issue date
Jul 6, 1993
Enichem Synthesis S.p.A.
Carlo Neri
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromatic composition endowed with light fatigue resistance an...
Patent number
5,225,113
Issue date
Jul 6, 1993
Enichem Synthesis S.p.A.
Carlo Busetto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Spiro-indoline oxazine compounds with photochromatic and photosensi...
Patent number
5,186,867
Issue date
Feb 16, 1993
Enichem Synthesis, SpA
Graziano Castaldi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photochromatic composition and photochromatic articles which contai...
Patent number
5,180,524
Issue date
Jan 19, 1993
Enichem Synthesis S.p.A.
Nicola Casilli
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Photochromatic pyrano-1,3-oxazinonaphthalene derivatives
Publication number
20030164482
Publication date
Sep 4, 2003
William Giroldini
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...