Donald A. McGowan

Person

Bedford, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Squarylium compounds, and processes and intermediates for the synth...
- Patent number 6,482,950
- Issue date Nov 19, 2002
- Polaroid Corporation
- Paulina P. Garcia
- G11 - INFORMATION STORAGE
Information Patent Grant
Squarylium compounds, and processes and intermediates for the synth...
- Patent number 5,919,950
- Issue date Jul 6, 1999
- Polaroid Corporation
- Paulina P. Garcia
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for the preparation of squarylium dyes
- Patent number 5,795,981
- Issue date Aug 18, 1998
- Polaroid Corporation
- John W. Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Squarylium dyes, and processes and intermediates for the preparatio...
- Patent number 5,492,795
- Issue date Feb 20, 1996
- Polaroid Corporation
- Richard M. Allen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Color-providing compound having two or more cyclic 1,3 sulfur-nitro...
- Patent number 5,430,156
- Issue date Jul 4, 1995
- Polaroid Corporation
- Michael J. Arnost
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image-recording material
- Patent number 5,415,970
- Issue date May 16, 1995
- Polaroid Corporation
- Michael J. Arnost
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Squarylium dyes, and processes and intermediates for the preparatio...
- Patent number 5,354,873
- Issue date Oct 11, 1994
- Polaroid Corporation
- Richard M. Allen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermally developable photosensitive material
- Patent number 5,316,887
- Issue date May 31, 1994
- Polaroid Corporation
- Michael J. Arnost
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Squarylium compounds, and processes and intermediates for the synth...
- Patent number 5,231,190
- Issue date Jul 27, 1993
- Polaroid Corporation
- Donald A. McGowan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Squarylium dyes, and processes and intermediates for the preparatio...
- Patent number 5,227,498
- Issue date Jul 13, 1993
- Polaroid Corporation
- John W. Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted squarylium dyes, and processes and intermediates for th...
- Patent number 5,227,499
- Issue date Jul 13, 1993
- Polaroid Corporation
- Donald A. McGowan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Color-shifted dyes with thermally unstable carbamate moiety compris...
- Patent number 4,826,976
- Issue date May 2, 1989
- Polaroid Corporation
- Alan L. Borror
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical storage identification card and read/write system
- Patent number 4,663,518
- Issue date May 5, 1987
- Polaroid Corporation
- Alan L. Borror
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Thermal imaging method
- Patent number 4,602,263
- Issue date Jul 22, 1986
- Polaroid Corporation
- Alan L. Borror
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Thiazolidinyl-substituted phenyl sulfonamides
- Patent number 4,355,169
- Issue date Oct 19, 1982
- Polaroid Corporation
- Donald A. McGowan
- C07 - ORGANIC CHEMISTRY

Donald A. McGowan

Person

Patents Grantslast 30 patents

Squarylium compounds, and processes and intermediates for the synth...

Squarylium compounds, and processes and intermediates for the synth...

Processes for the preparation of squarylium dyes

Squarylium dyes, and processes and intermediates for the preparatio...

Color-providing compound having two or more cyclic 1,3 sulfur-nitro...

Image-recording material

Squarylium dyes, and processes and intermediates for the preparatio...

Thermally developable photosensitive material

Squarylium compounds, and processes and intermediates for the synth...

Squarylium dyes, and processes and intermediates for the preparatio...

Substituted squarylium dyes, and processes and intermediates for th...

Color-shifted dyes with thermally unstable carbamate moiety compris...

Optical storage identification card and read/write system

Thermal imaging method

Thiazolidinyl-substituted phenyl sulfonamides