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1 to 24 of 49 results for "hans t. clarke"
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Image Not Available
Transparency
John G. Capstaff
Dr. Hans T. Clarke
ca. 1914-1917
1984.0068.0026
Image Not Available
Transparency
John G. Capstaff
Dr. Hans T. Clarke
ca. 1914-1917
1984.0068.0037
Joseph Thacher Clarke and his family
Photograph
Joseph Thacher Clarke
Joseph Thacher Clarke and his family
ca. 1905
1998.0425.0001
Joseph Thacher Clarke with sons (Eric and Hans)
Photograph
Joseph Thacher Clarke
Joseph Thacher Clarke with sons (Eric and Hans)
ca. 1905
1998.0428.0001
Patent - Cellulose ether composition and method for making the same
Documentary
Dr. Hans T. Clarke
Patent - Cellulose ether composition and method for making the same
1920/11/02
1997.1932.0001
Patent - Cellulose nitrate composition
Documentary
Dr. Hans T. Clarke
Patent - Cellulose nitrate composition
1921/03/08
1997.1933.0001
Thanksgiving Dinner, Kodak Park Lunch Club
Photograph
William F. Folmer
Thanksgiving Dinner, Kodak Park Lunch Club
November 27, 1918
1969.0174.0020
Patent - Light filter
Documentary
Dr. Hans T. Clarke
Patent - Light filter
1919/02/04
1997.1929.0001
Patent - Cellulose Ester composition
Documentary
Dr. Hans T. Clarke
Patent - Cellulose Ester composition
1919/07/15
1997.1930.0001
Patent - Cellulose ester composition
Documentary
Dr. Hans T. Clarke
Patent - Cellulose ester composition
1921/03/08
1997.1934.0001
Patent - Cellulose ether composition
Documentary
Dr. Hans T. Clarke
Patent - Cellulose ether composition
1921/11/01
1997.1963.0001
Patent - Cellulose ether composition
Documentary
Dr. Hans T. Clarke
Patent - Cellulose ether composition
1922/02/07
1997.1965.0001
Patent - Cellulose ether composition
Documentary
Dr. Hans T. Clarke
Patent - Cellulose ether composition
1922/02/07
1997.1966.0001
Patent - Process of manufacturing acetyl monomethyl aryl amines
Documentary
Dr. Hans T. Clarke
Patent - Process of manufacturing acetyl monomethyl aryl amines
1922/04/04
1997.1967.0001
Patent - Process of manufacturing certain acetyl methyl amines.
Documentary
Dr. Hans T. Clarke
Patent - Process of manufacturing certain acetyl methyl amines.
1922/11/07
1997.1968.0001
Patent - Nitrocellulose composition
Documentary
Dr. Hans T. Clarke
Patent - Nitrocellulose composition
1923/02/06
1997.1969.0001
Patent - Cellulose acetate composition
Documentary
Dr. Hans T. Clarke
Patent - Cellulose acetate composition
1925/08/11
1997.1970.0001
Patent - Cellulose esters cont. nitro grps & halogen-subst.acyl grps.
Documentary
Dr. Hans T. Clarke
Patent - Cellulose esters cont. nitro grps & halogen-subst.acyl grps.
1928/11/6
1997.1999.0001
Patent - Process of making cellulose aceto esters cont. acyl grps.
Documentary
Carl J. Malm
Patent - Process of making cellulose aceto esters cont. acyl grps.
1929/01/08
1997.2000.0001
Patent - Method of making 2:4-Dimethyl-6-Ethoxyquinoline.
Documentary
E. R. Taylor
Patent - Method of making 2:4-Dimethyl-6-Ethoxyquinoline.
1929/02/05
1997.2002.0001
Patent - Mixed cellulose organic esters & process for making
Documentary
Dr. Hans T. Clarke
Patent - Mixed cellulose organic esters & process for making
1929/03/05
1997.2003.0001
Patent - Soluble halogen-substituted cellulosic organic acid esters.
Documentary
Carl J. Malm
Patent - Soluble halogen-substituted cellulosic organic acid esters.
1929/03/05
1997.2004.0001
Patent - Process of making organic esters of cellulose.
Documentary
Dr. Hans T. Clarke
Patent - Process of making organic esters of cellulose.
1929/06/11
1997.2005.0001
Patent - Process of making a ketene.
Documentary
C. E. Waring
Patent - Process of making a ketene.
1929/08/06
1997.2006.0001
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