P

Inventor

NECKERS DOUGLAS C

US47 patents
⚠️ This page may combine multiple inventors who share the name “NECKERS DOUGLAS C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPECTRA GROUP LTD INC

17 patents
US5677107AOct 14, 1997

Production of three-dimensional objects

SPECTRA GROUP LTD INC261 citations99
US5514519AMay 7, 1996

Production of three-dimensional objects

SPECTRA GROUP LTD INC220 citations99
US5451343ASep 19, 1995

Fluorone and pyronin y derivatives

SPECTRA GROUP LTD INC226 citations99
US6200646B1Mar 13, 2001

Method for forming polymeric patterns, relief images and colored polymeric bodies using digital light processing technology

SPECTRA GROUP LTD INC206 citations96
US5639802AJun 17, 1997

Cationic polymerization

SPECTRA GROUP LTD INC91 citations96
US5623080AApr 22, 1997

Fluorone and pyronin Y derivatives

SPECTRA GROUP LTD INC49 citations96
US5395862AMar 7, 1995

Photooxidizable initiator composition and photosensitive materials containing the same

SPECTRA GROUP LTD INC67 citations96
US6309797B1Oct 30, 2001

Selectively colorable polymerizable compositions

SPECTRA GROUP LTD INC86 citations95
US5717217AFeb 10, 1998

Method for determining thickness, degree of cure and other properties of a polymeric coating

SPECTRA GROUP LTD INC54 citations92
US6586494B2Jul 1, 2003

Radiation curable inkjet composition

SPECTRA GROUP LTD INC44 citations91
US6433035B1Aug 13, 2002

Selectively colorable polymerizable compositions

SPECTRA GROUP LTD INC44 citations91
US6166233ADec 26, 2000

Onium gallates cationic initiators

SPECTRA GROUP LTD INC26 citations91
US5942554AAug 24, 1999

Method for forming highly colored polymeric bodies

SPECTRA GROUP LTD INC53 citations90
US5606171AFeb 25, 1997

Method for determining thickness, degree of cure and other properties of a polymeric coating or film

SPECTRA GROUP LTD INC46 citations90
US5955002ASep 21, 1999

Method for determining properties of a polymer coating or film cured by cationic polymerization

SPECTRA GROUP LTD INC36 citations88
US5998496ADec 7, 1999

Photosensitive intramolecular electron transfer compounds

SPECTRA GROUP LTD INC35 citations86
US6479217B1Nov 12, 2002

Method for producing selectively colorable printing plates

SPECTRA GROUP LTD INC12 citations66

MEAD CORP

7 patents

NECKERS DOUGLAS C

4 patents

DAY INT INC

4 patents

UNIV BOWLING GREEN STATE

4 patents

STEREOGRAPHICS LIMITED PARTNER

2 patents

OHIO MED COLLEGE

2 patents

WILLIAMS RICHARD C

2 patents

CIBA SC HOLDING AG

1 patent

RESEARCH CORP

1 patent

LOCKHEED CORP

1 patent

UCB SA

1 patent

INT PAPER CO

1 patent