| 5292426 |
Wax conversion process |
John Holland, Gerald F. Prescott, Dann G. Roy, James R. Whiteman |
1994-03-08 |
| 5242579 |
Control method for solvent refining lubricating oils |
Theodore C. Mead |
1993-09-07 |
| 5041206 |
Solvent extraction of lubricating oils |
— |
1991-08-20 |
| 5039399 |
Solvent extraction of lubricating oils |
— |
1991-08-13 |
| 5006222 |
Solvent dewaxing of lubricating oils |
— |
1991-04-09 |
| 4375403 |
Solvent dewaxing process |
Charles W. Harrison, Herbert J. Pitman, John D. Begnaud |
1983-03-01 |
| 4328092 |
Solvent extraction of hydrocarbon oils |
— |
1982-05-04 |
| 4304660 |
Manufacture of refrigeration oils |
Ralph P. Chesluk, Howard J. Platte |
1981-12-08 |
| 4294689 |
Solvent refining process |
Benjamin F. Smith, Jr., Theodore C. Mead |
1981-10-13 |
| 4231459 |
Control system for an N-methyl-2-pyrrolidone refining unit receiving light sweet charge oil |
Frank L. Barger |
1980-11-04 |
| 4230215 |
Control system for an MP refining unit receiving medium sweet charge oil |
Frank L. Barger |
1980-10-28 |
| 4224673 |
Control system for an MP refining unit receiving heavy sour charge oil |
Frank L. Barger |
1980-09-23 |
| 4224674 |
Control system for an N-methyl-2-pyrrolidone refining unit receiving heavy sweet charge oil |
Frank L. Barger |
1980-09-23 |
| 4212070 |
Control system for a furfural refining unit receiving heavy sweet charge oil |
John D. Begnaud, Frank L. Barger |
1980-07-08 |
