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John G. Capstaff
Dr. Hans T. Clarke
ca. 1914-1917
1984.0068.0026
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Transparency
John G. Capstaff
Dr. Hans T. Clarke
ca. 1914-1917
1984.0068.0037
Patent - Process of making mixed organic esters of cellulose.
Documentary
Dr. Hans T. Clarke
Patent - Process of making mixed organic esters of cellulose.
1929/11/12
1997.2007.0001
Patent - Cellulose nitrate composition
Documentary
Dr. Hans T. Clarke
Patent - Cellulose nitrate composition
1921/03/08
1997.1933.0001
Patent - Cellulose acetate composition
Documentary
Dr. Hans T. Clarke
Patent - Cellulose acetate composition
1925/08/11
1997.1970.0001
Patent - Proc.-make org. esters of cellulose cont. acyl grps >2 c.atom
Documentary
Dr. Hans T. Clarke
Patent - Proc.-make org. esters of cellulose cont. acyl grps >2 c.atom
1931/04/14
1997.2010.0001
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 - Cellulose nitrate composition
Documentary
Dr. Hans T. Clarke
Patent - Cellulose nitrate composition
1919/07/15
1997.1931.0001
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 ester composition
Documentary
Dr. Hans T. Clarke
Patent - Cellulose ester composition
1921/11/21
1997.1964.0001
Patent - Process of making cellulosic esters cont. fatty acid grps.
Documentary
Dr. Hans T. Clarke
Patent - Process of making cellulosic esters cont. fatty acid grps.
1929/01/08
1997.2001.0001
Patent - Method for making aminophenol derivatives.
Documentary
Dr. Hans T. Clarke
Patent - Method for making aminophenol derivatives.
1930/02/04
1997.2009.0001
Patent - Cellulose esters containing unsaturated organic acid groups.
Documentary
Dr. Hans T. Clarke
Patent - Cellulose esters containing unsaturated organic acid groups.
1928/11/06
1997.1998.0001
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 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 - Cellulose Ester composition
Documentary
Dr. Hans T. Clarke
Patent - Cellulose Ester composition
1919/07/15
1997.1930.0001
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
1997.1966.0001
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
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