Document K3XgvdpM481G8w9KbG1Z96Mw

BERNARDO GOMEZ VEGA ALEJANDRO UHTHOFF BJORN a. VADILLO h er iber t o ped r aza ROBERT M. YOUNG MANUEL M. SOTO MARIO PONCE HECTOR VELASCO HCRACIO RANGEL O LEONOR HERNANDEZ ARMANOO PEREZ ROBERTO SANDERS HERBERT R. BURNHAM MARIO MONTANIEZ GABRIELA ALVAREZ LIHTWOFf, GOMEZ VEGA & UH APARTADO POSTAL <P.O. BOX) M-20! 06000 MEXICO, O. F. AUG 2 3 1983 AugUStp^O^|8|EcoHDs E.I, DU PONT DE NEMOURS AND COMPANY Legal Department Wilmington, Delaware 19898 U.S.A, CENTER HAMBURGO No. 260 06600 MEXICO, D. F. PATENTS TSAOEMARKS COPYRIGHTS A LICENSING 7/ ^cY Pe; F.I. DU PONT DE NEMOURiS/W COMPANY Max, Pat. appln. No. 192468'corres. to U.S. Serial No, 258,872 - Your Ref: CH 1175 COQMBE - Our Case 363-P Attention: Mr, Tneodore C. Gregory V Dear fir. Gregory: Reference to our letter of May 17, 1983, requesting your authorization to apply for the novelty examination of the subject application, in order to comply with the provisions of Article 20 of the law of Inventions and Trademark and informing you that the deadline to sucn effect would expire on July 27, 1983. Not having received any word from you in this connection and consistent to our practice of keeping all applications alive in the absence of instructions, we filed before the Mexican Patent Office the required exami nation request, in order to avoid the official abandonment of this case. Please find, herewith enclosed a copy of the corresponding examination request for completing your files, as well as our debit note which covers the official fees and our charges in the matter. We expect that our course of action will meet with your approval and with kindest regards, we remain, Very truly yours, dBV/rch/ama* TELEPHONE: 5-33-50-60 TELEX: 17-74-554 CABLES: UHTHOFF MEXICO, D. F. N36767 DU PO 50302 045 DECISIONS Patent Proposal - Decision to File 1. CH-1279 (Wildt) - Rapid Precipitation of Silica Hold pending semiworks demonstration. Patent Proposals - Decisions Deferred 1. CH-1228 (Uhland) - Boron Coox Retain on docket pending further work. 2. CH-1251 (Baloga) - Ti02 Slurries Reinvestigate patentable subject matter. III. Allowed U.S. Application - Decision to issue 1. Morrison CH-1263 - Vesiculated Pigment Granules Issue in U.S., no change in foreign. IV. Foreign Filing - Decision to File Abroad 1. Jacobson CH-1235 - Dense Alumina Coating File in Australia, Brazil, Canada, Finland, Japan, Mexico, S. Africa, Spain and the EPO for Belgium, France, Germany, Italy, Netherlands and U.K. V. Foreign Prosecution - Decision to Continue 1. Coomb Energy Mills Mea&iasB* - Examination - Modified Fluid 1" VI. Foreign Maintenance - Decisions to Pay Taxes 1. Monroe PG-1650 - Two-Stage Oxygen Preheat Pay taxes. 2. uhland PG-1695 - Condensing Metal Halides Pay taxes. 3. Kilgren PG-1709 - Improved Two-Stage Preheat Pay taxes. 4. Schurr PG-1756 - Improved Fluid Energy Mills Drop Brazil, pay rest. 5. Glaeser PG-1778 - "TZ" Process Pay taxes, reevaluate economics. N36767.01 DUP050302046