1
Joseph W Klingler, Lee T Andrews, Clifton L Vaughan: Desktop digital video processing system. Spectra Group, Brooks & Kushman, April 4, 1995: US05404316 (288 worldwide citation)

A digital image processing system including a microprocessor, random access memory, storage memory, input means, display means, and suitable logic to provide existing digital image processing operations in a conventional graphical user interface, such as a windows environment, which allows the user ...


2
Douglas C Neckers: Production of three-dimensional objects. Spectra Group, Thompson Hine & Flory, October 14, 1997: US05677107 (123 worldwide citation)

A method for producing a three-dimensional object having selected elements which are colored differently than other elements of the object comprising the steps of: (a) providing a film of a photohardenable composition containing a photoresponsive agent; (b) irradiating the film in a cross-sectional ...


3
Douglas C Neckers: Production of three-dimensional objects. Spectra Group, Thompson Hine & Flory, May 7, 1996: US05514519 (102 worldwide citation)

A method for producing a three-dimensional object having selected elements which are colored a different color than the color of other elements of the object, comprising the steps of:


4
Douglas C Neckers, Jianmin Shi: Fluorone and pyronin y derivatives. Spectra Group, Thompson Hine & Flory, September 19, 1995: US05451343 (91 worldwide citation)

The present invention relates to a novel class of compounds which absorb light at wavelengths greater than 350 nm and are useful as fluorescers or as photoinitiators. The present invention provides compounds of the formulas (I) and (II) and their equivalents (the nomenclature of the compounds used h ...


5
Douglas C Neckers, Kathleen G Specht, Oleg V Grinevich, Alexandre Mejiritski: Method for forming polymeric patterns, relief images and colored polymeric bodies using digital light processing technology. Spectra Group, Thompson Hine & Flory, March 13, 2001: US06200646 (52 worldwide citation)

A method for precisely and efficiently creating three dimensional bodies, relief images or patterns, colored bodies, or a combination of these using photopolymers, photocolorizable polymers or photoresponsive coatings, in one irradiation step as disclosed. In particular this invention describes a me ...


6
Alexandre Mejiritski, Thomas Marino, Violeta Lungu, Dustin Martin, Douglas Neckers: Corrosion resistant, radiation curable coating. Spectra Group, Thompson Hine & Flory, April 3, 2001: US06211262 (43 worldwide citation)

A corrosion resistant coating for metal surfaces curable with actinic radiation. The blend uses acrylate resin, photoinitiator and a corrosion preventing agent such as a metal surface passivator, overbased calcium sulfonate/calcium carbonate, a barrier pigment, or a combination of two or more of the ...


7
Douglas C Neckers, Yubai Bi: Cationic polymerization. Spectra Group, Thompson Hine & Flory, June 17, 1997: US05639802 (38 worldwide citation)

The present invention relates to a novel class of compounds which absorb light at wavelengths greater than 350 nm and are useful as fluorescers or as photoinitiators. The present invention provides compounds of the formulas (I) and (II) and their equivalents (the nomenclature of the compounds used h ...


8
Douglas C Neckers, Jian Chang Song, Afranio Torres Filho: Method for determining thickness, degree of cure and other properties of a polymeric coating. Spectra Group, Thompson Hine & Flory, February 10, 1998: US05717217 (23 worldwide citation)

A method for monitoring the properties of a coating comprising the steps of adding a fluorescence probe to a coating composition which has the ability to undergo microscopic changes in viscosity, the ratio of the intensity of the fluorescence emission of said probe at two wavelengths changing in res ...


9
Douglas C Neckers, Jianmin Shi: Photooxidizable initiator composition and photosensitive materials containing the same. Spectra Group, Thompson Hine and Flory, March 7, 1995: US05395862 (22 worldwide citation)

Disclosed is a photooxidizable initiator composition comprising a fluorone initiator and a coinitiator which is capable of accepting an electron from the fluorone upon excitation of the fluorone by actinic radiation, wherein the composition produces free radicals which initiate free radical reaction ...


10
Douglas C Neckers, Jianmin Shi: Fluorone and pyronin Y derivatives. Spectra Group, Thompson Hine & Flory, April 22, 1997: US05623080 (19 worldwide citation)

A compound of the formula (I) or (II): ##STR1## where R.sup.1, R.sup.2, R.sup.5 and R.sup.6 are the same or different and represent a hydrogen atom or a halogen atom and R.sup.1 and R.sup.2 may combine to form a ring; R.sup.3, and R.sup.4 are the same or different and represent a hydrogen atom, a ha ...



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