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25 to 48 of 49 results for "hans t. clarke"
Patent - Process of making cellulosic esters cont. fatty acid grps.
Documentary
Dr. Hans T. Clarke
1929/01/08
1997.2001.0001
Patent - Proc.-make org. esters of cellulose cont. acyl grps >2 c.atom
Documentary
Dr. Hans T. Clarke
1931/04/14
1997.2010.0001
Patent-Cellulose Ether Composition
Documentary
Dr. Hans T. Clarke
1925/08/11
1997.1989.0001
Patent- Cellulose Ester Composition
Documentary
Dr. Hans T. Clarke
1925/09/08
1997.1990.0001
Patent- Process Of Preparing Pentaerythritol Tetraacetate
Documentary
Dr. Hans T. Clarke
1926/05/04
1997.1991.0001
Patent- Process Of Preparing Halogen Substituted Fatty Acid Anhydrides
Documentary
Dr. Hans T. Clarke
1927/11/08
1997.1992.0001
Patent- Cellulose Esters of Fatty Acids and Process of Making Same
Documentary
Carl J. Malm
1928/05/08
1997.1993.0001
Patent- Process  Esterifying Hydrated Cellulose With Lower Fatty Acids
Documentary
Dr. Hans T. Clarke
1928/05/08
1997.1994.0001
Patent- Process of Reacetylating Cellulose Acetate
Documentary
Carl J. Malm
1928/05/08
1997.1995.0001
Patent- Process Esterifying Mercerized Cellulose With Lower Fatty Acid
Documentary
Dr. Hans T. Clarke
1928/10/09
1997.1996.0001
Patent - Cellulose Esters
Documentary
Carl J. Malm
1928/10/09
1997.1997.0001
Patent - Cellulose esters containing unsaturated organic acid groups.
Documentary
Dr. Hans T. Clarke
1928/11/06
1997.1998.0001
Patent- Photographic Sensitizer and Process For Making It
Documentary
Dr. Hans T. Clarke
1931/05/12
1997.2644.0001
Patent- Process of Removing Water From Aqueous Acetic Acid
Documentary
Dr. Hans T. Clarke
1931/05/12
1997.2645.0001
Patent- Cellulose Ester Composition
Documentary
Dr. Hans T. Clarke
1931/06/09
1997.2646.0001
Patent- Recovery of Cellulose Acetate From Acetic Acid Solutions
Documentary
Dr. Hans T. Clarke
1931/09/15
1997.2647.0001
Patent- Process of Esterifying Cellulose Materials With Fatty Acids
Documentary
Dr. Hans T. Clarke
1931/09/15
1997.2648.0001
Patent- Method For The Dehydration of Formic Acid
Documentary
Donald F. Othmer
1931/10/06
1997.2649.0001
Thanksgiving Dinner, Kodak Park Lunch Club
Photograph
William F. Folmer
November 27, 1918
1969.0174.0020
Joseph Thacher Clarke and his family
Photograph
Joseph Thacher Clarke
ca. 1905
1998.0425.0001
Joseph Thacher Clarke with sons (Eric and Hans)
Photograph
Joseph Thacher Clarke
ca. 1905
1998.0428.0001
Patent - Cellulose ether composition and method for making the same
Documentary
Dr. Hans T. Clarke
1920/11/02
1997.1932.0001
Patent - Cellulose nitrate composition
Documentary
Dr. Hans T. Clarke
1921/03/08
1997.1933.0001
Cast of Out of the Fog
Photograph
Unidentified
1922
2009.0519.0001

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