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Show 00 DC PONT SUES IUERCT'EES OO. IX)K PATENT RIGHTS (H.y International News Service.) WILMINGTON, Del. A suit basod on alleged infringement of pat- j cuts has been lnMituteii against ine Hercules Powder enmpanj In the Federal Fed-eral District court at Trenton, N J , by the E. I duPont de Nemours and com-pany, com-pany, of this city- Tho patent upon which the action was brought, It is I claimed by the duPont company projects pro-jects the use of a mixture of 'thy I a -ititte and benzoi y Ith or without the addition of ethyl acetate as a solvent for nltro cotton. Ah pyroxylin solu- I Hons or dopes used in the manufacture of split und artificial leathers, lacquers I cements, celluloid articles and hundreds hun-dreds 01 0,111 r . oniiiiinlltleH are frequently fre-quently made by dissolving nltro cotton cot-ton In these solvents, and the two companies are among tho leading ! competitors In the business, this will I assume a high proportion of Interest to many concerns throughout the country. |