United States Patent (19) 11 Patent Number: 4,910,263 Brois Et Al
United States Patent (19) 11 Patent Number: 4,910,263 Brois et al. (45) Date of Patent: Mar. 20, 1990 (54) OIL ADDITIVES CONTAINING A 3,382,215 5/1968 Baum ................. 525/351 X 3,647,849 3/1972 Venerable et al. 260/454 THIOCARBAMYL MOIETY 3,749,747 7/1973 Fancher .............................. 260/454 75) Inventors: Stanley J. Brois, Spring, Tex.; 3,867,360 2/1975 Jones ............................... 525/351 X Antonio Gutierrez, Mercerville, N.J. FOREIGN PATENT DOCUMENTS 73 Assignee: Exxon Research & Engineering Company, Florham Park, N.J. 514052 10/1939 United Kingdom .................. 252/47 (21) Appl. No.: 252,942 OTHER PUBLICATIONS E. Reid, "Organic Chemistry of Bivalent Sulfur', vol. (22 Filed: Oct. 3, 1988 VI, 1966, pp. 62-65 and 220-221. R. G. Guy et al., “Pseudohalogen Chemistry”, J. Chem. Related U.S. Application Data Soc. 1973, pp. 281-284. 60 Division of Ser. No. 89,449, Aug. 20, 1987, Pat. No. R. G. R. Bacon, Chapter 27, "Thiocyanates, Thi 4,794,146, which is a continuation of Ser. No. 908,786, ocyanogen, and Related Compounds,’ Organic Sulfur Sep. 18, 1986, Pat. No. 4,717,754, which is a continua tion of Ser. No. 776,019, Sep. 13, 1985, abandoned, Compounds, edited by N. Kharasch, vol. 1, Pergamon which is a continuation of Ser. No. 320,574, Nov. 21, Press, 1961, NY, Symposium Publications Division, pp. 1981, abandoned, which is a continuation of Ser. No. 306-325. 109,778, Jan. 7, 1980, abandoned. R. G. Guy, "Thiocyanogen Halides,", Mechanisms of 5ll Int. Cl." ................................................ C08F 8/32 Reactions of Sulfur Compounds, vol.
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