Inventor

Luciana Crisci

Inventor

Graffignana, IT

Overview

12→

Patents

1993–2007

Patent span

Chemistry

Primary field (CPC C)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary

C07DHeterocyclic compounds29%

G03CPhotosensitive materials for photographic purposes29%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients19%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%

C09KMaterials for miscellaneous applications, not provided for elsewhere6%

B41MPrinting, duplicating, marking, or copying processes3%

C09DCoating compositions, e.g. paints, varnishes or lacquers3%

G11BInformation storage based on relative movement between record carrier and transducer3%

PatentTitleYear

7,262,294'Photochromatic pyrano-1,3-oxazinonaphthalene derivatives'2007 6,414,057'Photochromatic compounds, process for their preparation and their use in polymeric materials'2002 6,353,044'Light-stabilized organic polymers'2002 5,730,908'Photochromatic and thermochromatic compounds and their application in polymeric materials'1998 5,688,846'Spiro-pyranic compounds endowed with photochromic characteristics'1997 5,543,533'Photochromic products and method for their preparation'1996 5,532,361'Spiro-pyranic compounds endowed with photochromic characteristics'1996 5,242,624'Stabilizing mixture for compounds having a photochromatic activity'1993 5,225,563'Photochromatic compound, a method for its preparation, and articles which contain it'1993 5,225,113'Photochromatic composition endowed with light fatigue resistance and photochromatic articles which contain it'1993 5,186,867'Spiro-indoline oxazine compounds with photochromatic and photosensitizing characteristics and the process for their preparation'1993 5,180,524'Photochromatic composition and photochromatic articles which contain it'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1998Patents assigned to ENICHEM SINTESI (6)· patent assignee history

1993Based in Sant'Angelo Lodigiano, IT· patent location history

1993Based in Sant' Angelo Lodigiano, IT· patent location history

1996–2002Patents assigned to GREAT LAKES CHEMICAL ITALIA (2)· patent assignee history

1996–1997Patents assigned to MINI RICERCA SCIENT TECNOLOG (2)· patent assignee history

1996–2007Based in Graffignana, IT· patent location history

1997Based in Milan, IT· patent location history

2002–2007Patents assigned to GREAT LAKES CHEMICAL EUROP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ENICHEM SINTESI	6	1993–1998
GREAT LAKES CHEMICAL EUROP	2	2002–2007
GREAT LAKES CHEMICAL ITALIA	2	1996–2002
MINI RICERCA SCIENT TECNOLOG	2	1996–1997

Locations

Location	Patents	Span
Graffignana, IT	6	1996–2007
Sant'Angelo Lodigiano, IT	4	1993
Milan, IT	1	1997
Sant' Angelo Lodigiano, IT	1	1993