Inventor
Evan D. Laganis
Inventor
Wilmington, DE, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%
B41MPrinting, duplicating, marking, or copying processes7%
C07CAcyclic or carbocyclic compounds7%
C07DHeterocyclic compounds7%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
G03CPhotosensitive materials for photographic purposes7%
PatentTitleYear
5,193,024'Liquid/vapor optical modulator'19935,147,758'Red sensitive photopolymerizable compositions'19925,080,467'Biphenyl derivatives for photostabilization in pulsed optical darkening apparatus and method'19925,019,549'Donor element for thermal imaging containing infra-red absorbing squarylium compound'19914,882,265'Infrared laser recording film'19894,723,016'Preparation of anhydrous organic acid salts'19884,588,795'Oxyanion-catalyzed polymerization'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1993Patents assigned to DU PONT (5)· patent assignee history
1986–1993Based in Wilmington, DE, US· patent location history
1991Patents assigned to KELLOGG REID E (1)· patent assignee history
1991Patents assigned to LAGANIS EVAN D (1)· patent assignee history
1991Patents assigned to MA SHEAU HWA (1)· patent assignee history
1992Patents assigned to GREYHAWK SYSTEMS INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU PONT | 5 | 1986–1993 |
| GREYHAWK SYSTEMS INC | 1 | 1992 |
| KELLOGG REID E | 1 | 1991 |
| LAGANIS EVAN Dself | 1 | 1991 |
| MA SHEAU HWA | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wilmington, Delaware, US | 7 | 1986–1993 |