Search

Search
1 to 24 of 49 results for "hans t. clarke"
/ 3
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
Patent- Cellulose Ester Composition
Documentary
Dr. Hans T. Clarke
Patent- Cellulose Ester Composition
1925/09/08
1997.1990.0001
Patent- Process of Removing Water From Aqueous Acetic Acid
Documentary
Dr. Hans T. Clarke
Patent- Process of Removing Water From Aqueous Acetic Acid
1931/05/12
1997.2645.0001
Patent- Process Of Preparing Halogen Substituted Fatty Acid Anhydrides
Documentary
Dr. Hans T. Clarke
Patent- Process Of Preparing Halogen Substituted Fatty Acid Anhydrides
1927/11/08
1997.1992.0001
Patent- Process of Reacetylating Cellulose Acetate
Documentary
Carl J. Malm
Patent- Process of Reacetylating Cellulose Acetate
1928/05/08
1997.1995.0001
Patent- Recovery of Cellulose Acetate From Acetic Acid Solutions
Documentary
Dr. Hans T. Clarke
Patent- Recovery of Cellulose Acetate From Acetic Acid Solutions
1931/09/15
1997.2647.0001
Patent-Cellulose Ether Composition
Documentary
Dr. Hans T. Clarke
Patent-Cellulose Ether Composition
1925/08/11
1997.1989.0001
Patent- Photographic Sensitizer and Process For Making It
Documentary
Dr. Hans T. Clarke
Patent- Photographic Sensitizer and Process For Making It
1931/05/12
1997.2644.0001
Patent- Method For The Dehydration of Formic Acid
Documentary
Donald F. Othmer
Patent- Method For The Dehydration of Formic Acid
1931/10/06
1997.2649.0001
Patent- Process Esterifying Hydrated Cellulose With Lower Fatty Acids
Documentary
Dr. Hans T. Clarke
Patent- Process Esterifying Hydrated Cellulose With Lower Fatty Acids
1928/05/08
1997.1994.0001
Patent- Process Of Preparing Pentaerythritol Tetraacetate
Documentary
Dr. Hans T. Clarke
Patent- Process Of Preparing Pentaerythritol Tetraacetate
1926/05/04
1997.1991.0001
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 Esters of Fatty Acids and Process of Making Same
Documentary
Carl J. Malm
Patent- Cellulose Esters of Fatty Acids and Process of Making Same
1928/05/08
1997.1993.0001
Patent- Process Esterifying Mercerized Cellulose With Lower Fatty Acid
Documentary
Dr. Hans T. Clarke
Patent- Process Esterifying Mercerized Cellulose With Lower Fatty Acid
1928/10/09
1997.1996.0001
Patent- Process of Esterifying Cellulose Materials With Fatty Acids
Documentary
Dr. Hans T. Clarke
Patent- Process of Esterifying Cellulose Materials With Fatty Acids
1931/09/15
1997.2648.0001
Joseph Thacher Clarke and his family
Photograph
Joseph Thacher Clarke
Joseph Thacher Clarke and his family
ca. 1905
1998.0425.0001
Thanksgiving Dinner, Kodak Park Lunch Club
Photograph
William F. Folmer
Thanksgiving Dinner, Kodak Park Lunch Club
November 27, 1918
1969.0174.0020
Patent: Cellulose nitrate composition
Documentary
Dr. Hans T. Clarke
Patent: Cellulose nitrate composition
1921/03/08
1997.1933.0001
Patent: Light filter
Documentary
Dr. Hans T. Clarke
Patent: Light filter
1919/02/04
1997.1929.0001
Patent: Cellulose nitrate composition
Documentary
Dr. Hans T. Clarke
Patent: Cellulose nitrate composition
1919/07/15
1997.1931.0001
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 ester composition
Documentary
Dr. Hans T. Clarke
Patent: Cellulose ester composition
1921/11/21
1997.1964.0001
/ 3

Review and updating of the museum's collection data is ongoing.
Inclusion of an object in this database does not guarantee its availability for loan.
For permission to use images from the online collections, please contact Image Rights and Reproductions.