| 5128056 |
Ethylene alpha-olefin copolymer substituted amino phenol mannich base lubricant dispersant additives |
Antonio Gutierrez, Won R. Song, Robert A. Kleist |
1992-07-07 |
$109,418,000 |
| 5124056 |
Polymer substituted amido-amine Mannich Base lubricant dispersant additives |
Antonio Gutterrez |
1992-06-23 |
$82,595,000 |
| 5118432 |
Dispersant additive mixtures for oleaginous compositions |
Jacob Emert, Malcolm Waddoups |
1992-06-02 |
$40,560,000 |
| 5068278 |
Novel polyampholyte compositions possessing high degrees of acid, base, or salt tolerance in solution |
Dennis G. Peiffer |
1991-11-26 |
$45,528,000 |
| 5057617 |
Dispersant additives prepared from monoepoxy thiols |
Jacob Emert |
1991-10-15 |
$91,775,000 |
| 5053151 |
Multifunctional viscosity index improver derived from amido-amine exhibiting improved low temperature viscometric properties |
David Yen-Lung Chung, Antonio Gutierrez, John E. Johnston, Mark J. Struglinski |
1991-10-01 |
$58,430,000 |
| 5053150 |
Polyepoxide modified adducts or reactants and oleaginous compositions containing same |
Jacob Emert |
1991-10-01 |
$58,430,000 |
| 5047160 |
Polyanhydride modified adducts or reactants and oleaginous compositions containing same |
Jacob Emert, Antonio Gutierrez |
1991-09-10 |
$57,672,000 |
| 5043084 |
Novel polymer substituted amino phenol mannich base amido-amine dispersant additives (PT-742) |
Antonio Gutierrez |
1991-08-27 |
$35,639,000 |
| 5043083 |
Method for preparing salts of polyolefinic substituted dicarboxylic acids in oleaginous mixtures of reduced viscosity |
Laura J. Colcord, Jacob Emert, Malcolm Waddoups |
1991-08-27 |
$35,639,000 |
| 5034018 |
Fuel additives derived from amido-amines (PT-731) |
Antonio Gutierrez |
1991-07-23 |
$48,223,000 |
| 5032653 |
Direct synthesis by cationic polymerization of nitrogen-containing polymers |
Herve M. Cheradame, Frank J. Chen, Jean De La Croix Habimana |
1991-07-16 |
$49,375,000 |
| 5032320 |
Lactone modified mono- or dicarboxylic acid based adduct dispersant compositions |
Antonio Gutierrez |
1991-07-16 |
$49,375,000 |
| 5030370 |
Novel dispersant viscosity index improver compositions |
Abhimanyu O. Patil, Sudhin Datta, John B. Gardiner |
1991-07-09 |
$54,626,000 |
| 5030369 |
Oil soluble dispersant additives useful in oleaginous compositions |
Jacob Emert, Antonio Gutierrez |
1991-07-09 |
$54,626,000 |
| 5026495 |
Oil soluble dispersant additives useful in oleaginous compositions |
Jacob Emert, Antonio Gutierrez |
1991-06-25 |
$42,904,000 |
| 5017299 |
Novel ethylene alpha-olefin copolymer substituted Mannich base lubricant dispersant additives |
Antonio Gutierrez, Won R. Song, Robert A. Kleist |
1991-05-21 |
$55,683,000 |
| 5006147 |
Biodegradable barrier films of ionomer polymer |
Warren A. Thaler, Pacifico V. Manalastas, Evelyn N. Drake |
1991-04-09 |
$48,018,000 |
| 4997470 |
Biodegradable barrier films of ionomer polymer |
Warren A. Thaler, Pacifico V. Manalastas, Evelyn N. Drake |
1991-03-05 |
$42,570,000 |
| 4982045 |
Fixed bed process for polymerizing liquid butenes |
Frank J. Chen |
1991-01-01 |
|
| 4979980 |
Biodegradable barrier films of ionomer polymer |
Warren A. Thaler, Pacifico V. Manalastas, Evelyn N. Drake |
1990-12-25 |
|
| 4978461 |
Low and high temperature drilling fluids based on sulfonated terpolymer ionomers |
Dennis G. Peiffer, John C. Newlove, Eugen R. Werlein |
1990-12-18 |
$32,528,000 |
| 4971711 |
Lactone-modified, mannich base dispersant additives useful in oleaginous compositions |
Antonio Gutierrez |
1990-11-20 |
$73,118,000 |
| 4970260 |
Novel viscosifiers for salt-containing solutions based on polymer complexes |
Robert R. Phillips, Dennis G. Peiffer |
1990-11-13 |
$56,271,000 |
| H837 |
Drilling fluids based on polymer complexes |
Dennis G. Peiffer, Lawrence P. Sedillo, John C. Newlove |
1990-11-06 |
|
