Harvey A. Brown

Person

Lake Elmo, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Thermographic system using naphthoylated leuco phenazine dyes
- Patent number 4,563,415
- Issue date Jan 7, 1986
- Minnesota Mining and Manufacturing Company
- Harvey A. Brown
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Helichromic-smectic liquid crystal compositions and display cells
- Patent number 4,514,045
- Issue date Apr 30, 1985
- Minnesota Mining and Manufacturing Company
- William A. Huffman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Helichromic compounds and displays
- Patent number 4,394,070
- Issue date Jul 19, 1983
- Minnesota Mining and Manufacturing Company
- Harvey A. Brown
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Thermolabile acutance dyes
- Patent number 4,316,984
- Issue date Feb 23, 1982
- Minnesota Mining and Manufacturing Company
- Harvey A. Brown
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photothermographic emulsions containing thermolabile acutance dyes
- Patent number 4,260,676
- Issue date Apr 7, 1981
- Minnesota Mining and Manufacturing Company
- Harvey A. Brown
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electro-optical devices containing methine arylidene dyes
- Patent number 4,105,299
- Issue date Aug 8, 1978
- Minnesota Mining and Manufacturing Company
- William A. Huffman
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Acutance agents for use in thermally-developable photosensitive com...
- Patent number 4,088,497
- Issue date May 9, 1978
- Minnesota Mining and Manufacturing Company
- Harvey A. Brown
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acutance agents for use in thermally-developable photosensitive com...
- Patent number 4,033,948
- Issue date Jul 5, 1977
- Minnesota Mining and Manufacturing Company
- Harvey A. Brown
- C07 - ORGANIC CHEMISTRY

Harvey A. Brown

Person

Patents Grantslast 30 patents

Thermographic system using naphthoylated leuco phenazine dyes

Helichromic-smectic liquid crystal compositions and display cells

Helichromic compounds and displays

Thermolabile acutance dyes

Photothermographic emulsions containing thermolabile acutance dyes

Electro-optical devices containing methine arylidene dyes

Acutance agents for use in thermally-developable photosensitive com...

Acutance agents for use in thermally-developable photosensitive com...