David F. Lewis

Person

Monroe, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Efficient method for radiochromic film dosimetry
- Patent number 9,268,029
- Issue date Feb 23, 2016
- ISP Investments Inc.
- David Fairhurst Lewis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Radiation dosimetry method
- Patent number 8,604,415
- Issue date Dec 10, 2013
- ISP Investments Inc.
- Andre Micke
- G01 - MEASURING TESTING
Information Patent Grant
Nanoparticle dispersion to improve radiation sensitivity
- Patent number 8,486,592
- Issue date Jul 16, 2013
- ISP Investments Inc.
- Hsiao-Yi Shih
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Radiation dosimetry method
- Patent number 8,212,203
- Issue date Jul 3, 2012
- ISP Investments Inc.
- David F. Lewis
- G01 - MEASURING TESTING
Information Patent Grant
Method for removing the effect of light scattering in a digitized i...
- Patent number 7,933,463
- Issue date Apr 26, 2011
- ISP Investments Inc.
- David F. Lewis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Human and scanner readable radiation exposure indicator with reacti...
- Patent number 7,798,414
- Issue date Sep 21, 2010
- ISP Investments Inc.
- David F Lewis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Radiation sensitive film including a measuring scale
- Patent number 7,482,601
- Issue date Jan 27, 2009
- ISP Investments Inc.
- David F. Lewis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lithium salt of polyacetylene as radiation sensitive filaments and...
- Patent number 7,445,880
- Issue date Nov 4, 2008
- ISP Investments Inc.
- Janette Anyumba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for calibrating a radiation detection medium
- Patent number 7,405,412
- Issue date Jul 29, 2008
- ISP Investments Inc.
- David F Lewis
- G01 - MEASURING TESTING
Information Patent Grant
Radiation dosimetry method and associated apparatus
- Patent number 6,285,031
- Issue date Sep 4, 2001
- ISP Investments Inc.
- Carl A. Listl
- G01 - MEASURING TESTING
Information Patent Grant
Method for manufacturing calibrated radiation dosimeter
- Patent number 6,268,602
- Issue date Jul 31, 2001
- ISP Investments Inc.
- Henry Seiwatz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Processless diacetylenic salt films capable of developing a black i...
- Patent number 6,177,578
- Issue date Jan 23, 2001
- ISP Investments Inc.
- David F. Lewis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing calibrated radiation dosimeter
- Patent number 5,777,341
- Issue date Jul 7, 1998
- ISP Investments Inc.
- Henry Seiwatz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Radiation dosimetry method and apparatus
- Patent number 5,767,520
- Issue date Jun 16, 1998
- ISP Investments Inc.
- J. Michael Donahue
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Processless diacetylenic salt films capable of developing a black i...
- Patent number 5,731,112
- Issue date Mar 24, 1998
- ISP Investments Inc.
- David F. Lewis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Radiation dosimetry method and apparatus
- Patent number 5,637,876
- Issue date Jun 10, 1997
- ISP Investments Inc.
- J. Michael Donahue
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Radiation dosimeter
- Patent number 5,359,200
- Issue date Oct 25, 1994
- ISP Investments Inc.
- J. Michael Donahue
- G01 - MEASURING TESTING
Information Patent Grant
Process of directly imaging a thermosensitive polyacetylene salt dyes
- Patent number 5,232,820
- Issue date Aug 3, 1993
- ISP Investments Inc.
- David F. Lewis
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process of forming a permanent yellow imaged light modulating film
- Patent number 5,215,870
- Issue date Jun 1, 1993
- ISP Investments Inc.
- Kou-Chang Liu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Recovery of imageable polyacetylenes from binder containing aqueous...
- Patent number 5,147,787
- Issue date Sep 15, 1992
- ISP Investments Inc.
- David F. Lewis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Imageable recording films
- Patent number 5,139,928
- Issue date Aug 18, 1992
- ISP Investments Inc.
- David F. Lewis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Permanent yellow imaged light modulating film
- Patent number 5,139,927
- Issue date Aug 18, 1992
- ISP Investments Inc.
- Kou-Chang Liu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Visually imageable polyacetylene salt dyes
- Patent number 5,137,964
- Issue date Aug 11, 1992
- ISP Investments Inc.
- David F. Lewis
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Radiation dosage indicator
- Patent number 5,084,623
- Issue date Jan 28, 1992
- ISP Investments Inc.
- David F. Lewis
- G01 - MEASURING TESTING
Information Patent Grant
Radiation dosage indicator
- Patent number 5,051,597
- Issue date Sep 24, 1991
- GAF Chemicals Corporation
- David F. Lewis
- G01 - MEASURING TESTING
Information Patent Grant
Recording medium of improved stability
- Patent number 5,002,852
- Issue date Mar 26, 1991
- GAF Chemicals Corporation
- David F. Lewis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Protective coatings for polyacetylenic recording media
- Patent number 4,985,290
- Issue date Jan 15, 1991
- GAF Chemicals Corporation
- David F. Lewis
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for sensitizing polyacetylenic films
- Patent number 4,970,137
- Issue date Nov 13, 1990
- GAF Chemicals Corporation
- David F. Lewis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Coating for increasing sensitivity of a radiation imageable polyace...
- Patent number 4,954,543
- Issue date Sep 4, 1990
- GAF Chemicals Corporation
- David F. Lewis
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coating for increasing sensitivity of a radiation imageable polyace...
- Patent number 4,954,428
- Issue date Sep 4, 1990
- GAF Chemicals Corporation
- David F. Lewis
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
EFFICIENT METHOD FOR RADIOCHROMIC FILM DOSIMETRY
- Publication number 20150041632
- Publication date Feb 12, 2015
- ISP Investments Inc.
- David Fairhurst Lewis
- G01 - MEASURING TESTING
Information Patent Application
RADIATION DOSIMETRY METHOD
- Publication number 20130193316
- Publication date Aug 1, 2013
- ISP Investments Inc.
- Andre Micke
- G01 - MEASURING TESTING
Information Patent Application
Nanoparticle Dispersion to Improve Radiation Sensitivity
- Publication number 20100247899
- Publication date Sep 30, 2010
- Hsiao-Yi Shih
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RADIATION DOSIMETRY METHOD
- Publication number 20100213362
- Publication date Aug 26, 2010
- ISP Investments Inc.
- David F. Lewis
- G01 - MEASURING TESTING
Information Patent Application
METHODS FOR VALIDATING A RADIOTHERAPY PLAN BY A DOSIMETRY SERVICE
- Publication number 20080269568
- Publication date Oct 30, 2008
- ISP Investments Inc.
- David F. Lewis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR REMOVING THE EFFECT OF LIGHT SCATTERING IN A DIGITIZED I...
- Publication number 20080089603
- Publication date Apr 17, 2008
- ISP Investments Inc.
- David F. Lewis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HUMAN AND SCANNER READABLE RADIATION EXPOSURE INDICATOR WITH REACTI...
- Publication number 20080029606
- Publication date Feb 7, 2008
- ISP Investments Inc.
- David F. Lewis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for calibrating a radiation detection medium
- Publication number 20070246657
- Publication date Oct 25, 2007
- ISP INVESTMENTS INC.
- David F. Lewis
- G01 - MEASURING TESTING
Information Patent Application
Canister-type dosimeter and multidimensional mapping of absolute ra...
- Publication number 20070114445
- Publication date May 24, 2007
- Thomas Ellwood Schell
- G01 - MEASURING TESTING
Information Patent Application
Radiation sensitive film including a measuring scale
- Publication number 20070019790
- Publication date Jan 25, 2007
- ISP INVESTMENTS INC.
- David F. Lewis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Lithium salt of polyacetylene as radiation sensitive filaments and...
- Publication number 20060134551
- Publication date Jun 22, 2006
- ISP INVESTMENTS INC.
- Janette Anyumba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Lithium salt of polyacetylene as radiation sensitive filaments and...
- Publication number 20040197700
- Publication date Oct 7, 2004
- ISP INVESTMENTS INC.
- Janette Anyumba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Composition and method for 3-dimensional mapping or radiation dose
- Publication number 20040197684
- Publication date Oct 7, 2004
- ISP INVESTMENTS INC.
- Janette Anyumba
- G01 - MEASURING TESTING
Information Patent Application
Stable, non-hazardous indicia for biocidal irradiation of a package
- Publication number 20030129080
- Publication date Jul 10, 2003
- ISP INVESTMENTS INC.
- David F. Lewis
- G01 - MEASURING TESTING
Information Patent Application
Stable radiochromic dosimetry film and process
- Publication number 20030129759
- Publication date Jul 10, 2003
- David Fairhurst Lewis
- G01 - MEASURING TESTING

David F. Lewis

Person

Patents Grantslast 30 patents

Efficient method for radiochromic film dosimetry

Radiation dosimetry method

Nanoparticle dispersion to improve radiation sensitivity

Radiation dosimetry method

Method for removing the effect of light scattering in a digitized i...

Human and scanner readable radiation exposure indicator with reacti...

Radiation sensitive film including a measuring scale

Lithium salt of polyacetylene as radiation sensitive filaments and...

Method for calibrating a radiation detection medium

Radiation dosimetry method and associated apparatus

Method for manufacturing calibrated radiation dosimeter

Processless diacetylenic salt films capable of developing a black i...

Method for manufacturing calibrated radiation dosimeter

Radiation dosimetry method and apparatus

Processless diacetylenic salt films capable of developing a black i...

Radiation dosimetry method and apparatus

Radiation dosimeter

Process of directly imaging a thermosensitive polyacetylene salt dyes

Process of forming a permanent yellow imaged light modulating film

Recovery of imageable polyacetylenes from binder containing aqueous...

Imageable recording films

Permanent yellow imaged light modulating film

Visually imageable polyacetylene salt dyes

Radiation dosage indicator

Radiation dosage indicator

Recording medium of improved stability

Protective coatings for polyacetylenic recording media

Process for sensitizing polyacetylenic films

Coating for increasing sensitivity of a radiation imageable polyace...

Coating for increasing sensitivity of a radiation imageable polyace...

Patents Applicationslast 30 patents

EFFICIENT METHOD FOR RADIOCHROMIC FILM DOSIMETRY

RADIATION DOSIMETRY METHOD

Nanoparticle Dispersion to Improve Radiation Sensitivity

RADIATION DOSIMETRY METHOD

METHODS FOR VALIDATING A RADIOTHERAPY PLAN BY A DOSIMETRY SERVICE

METHOD FOR REMOVING THE EFFECT OF LIGHT SCATTERING IN A DIGITIZED I...

HUMAN AND SCANNER READABLE RADIATION EXPOSURE INDICATOR WITH REACTI...

Method for calibrating a radiation detection medium

Canister-type dosimeter and multidimensional mapping of absolute ra...

Radiation sensitive film including a measuring scale

Lithium salt of polyacetylene as radiation sensitive filaments and...

Lithium salt of polyacetylene as radiation sensitive filaments and...

Composition and method for 3-dimensional mapping or radiation dose

Stable, non-hazardous indicia for biocidal irradiation of a package

Stable radiochromic dosimetry film and process