(12) United States Patent (10) Patent No.: US 8,710,251 B2 Ozer (45) Date of Patent: *Apr
US008710251B2 (12) United States Patent (10) Patent No.: US 8,710,251 B2 OZer (45) Date of Patent: *Apr. 29, 2014 (54) VAPORPHASE DECARBONYLATION USPC .......................................................... 549/506 PROCESS See application file for complete search history. (75) Inventor: Ronnie Ozer, Arden, DE (US) (56) References Cited (73) Assignee: E I du Pont de Nemours and U.S. PATENT DOCUMENTS Company, Wilmington, DE (US) 2.634,276 A 4, 1953 Carnah W - I aala (*) Notice: Subject to any disclaimer, the term of this 3.999; A 2.88. Sey patent is extended or adjusted under 35 35747 A 6/1966 Dunlop et al. U.S.C. 154(b) by 162 days. 3,663,295 A 5/1972 Baker 4,774,221 A 9, 1988 Medem This patent is Subject to a terminal dis- 4,780,552 A 10/1988 Wambach claimer. (21) 1 FOREIGN PATENT DOCUMENTS 21) Appl. No.: 13/392,541 RU 2027714 C1 1, 1995 (22) PCT Filed: Aug. 31, 2010 SU 1699601 A1 12, 1991 (86). PCT No.: PCT/US2010/0472.05 OTHER PUBLICATIONS S371 (c)(1) U.S. Appl. No. 13/122,740, filed Apr. 6, 2011, Inventor Ronnie Ozer. U.S. Appl. No. 13/392,550, filed Feb. 27, 2012, Inventors Ronnie (2), (4) Date: Feb. 27, 2012 Ozer and Ke Li. U.S. Appl. No. 13/392,556, filed Feb. 27, 2012, Inventors Ronnie (87) PCT Pub. No.: WO2011/026059 Ozer and Ke Li. PCT Pub. Date: Mar. 3, 2011 U.S. Appl. No. 13/124,574, filed Apr. 15, 2012, Inventors Ronnie Ozer and Ke Li.
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