Polyamides from diamines having two deuterium atoms on both chain carbons alpha to the two amino nitrogens
First Claim
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1. A FILM AND FIBER-FORMING POLYAMIDE EXHIBITING OUTSTANDING LIGH DURABILITY AND CONSISTING ESSENTIALLY OF THE CONDENSATION PRODUCT OF A DIBASIC CARBOXYLIC ACID AND A DIPRIMARY A,A,A'"'"''"'"',A'"'"''"'"'-TETRADEUTERODIAMINE OF THE FORMULA
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1 Claim
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1. A FILM AND FIBER-FORMING POLYAMIDE EXHIBITING OUTSTANDING LIGH DURABILITY AND CONSISTING ESSENTIALLY OF THE CONDENSATION PRODUCT OF A DIBASIC CARBOXYLIC ACID AND A DIPRIMARY A,A,A'"'"''"'"',A'"'"''"'"'-TETRADEUTERODIAMINE OF THE FORMULA
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Current AssigneeFrederick T. Wall, Walter E. Mochel, William H. Sharkey
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Original AssigneeFrederick T. Wall, Walter E. Mochel, William H. Sharkey
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InventorsMochel, Walter E., Sharkey, William H., Wall, Frederick T.
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Application NumberUS03/673,587Time in Patent Office2,023 DaysField of SearchUS Class Current528/335CPC Class CodesC08G 69/26 derived from polyamines and...
