| 6585960 |
Abrasive silica compositions and dentifrice compositions prepared therefrom |
Michael Thomas, Sandra Joan Kempske |
2003-07-01 |
| 6440397 |
Abrasive silica compositions and dentifrice compositions prepared therefrom |
Michael Thomas, Sandra Joan Kempske |
2002-08-27 |
| 6294155 |
Abrasive silica compositions and dentifrice compositions prepared therefrom |
Michael Thomas, Sandra Joan Kempske |
2001-09-25 |
| 5141912 |
Chrome/platinum/palladium catalyst for hydrocarbon emission control |
Dean A. Denton, Richard A. Carman |
1992-08-25 |
| 5102850 |
Catalyst supports having promoter oxide gradient, resulting catalyst and method of making the supports |
Moises G. Sanchez, Stephen R. Schmidt |
1992-04-07 |
| 4977129 |
Auto exhaust catalyst composition having low H.sub.2 S emissions and method of making the catalyst |
— |
1990-12-11 |
| 4780447 |
Catalysts for controlling auto exhaust emissions including hydrocarbon, carbon monoxide, nitrogen oxides and hydrogen sulfide and method of making the catalysts |
Gwan Kim, Stanislaw Plecha |
1988-10-25 |
| 4654319 |
Doubly promoted platinum group metal catalysts for emission control and method for making the catalysts |
Gwan Kim |
1987-03-31 |
| 4591580 |
Stabilized and doubly promoted platinum group metal catalysts for emission control and method of making same |
Gwan Kim |
1986-05-27 |
| 4585752 |
Catalyst composition for ultra high temperature operation |
— |
1986-04-29 |
| 4513101 |
Small bead auto exhaust catalyst |
Alan W. Peters, Gwan Kim |
1985-04-23 |
| 4476246 |
Doubly promoted platinum group metal catalysts for emission control |
Gwan Kim |
1984-10-09 |
| 4451441 |
Method for exhaust gas treatment |
James M. Maselli |
1984-05-29 |
| 4426320 |
Catalyst composition for exhaust gas treatment |
James M. Maselli |
1984-01-17 |
| 4390456 |
Spheroidal alumina particles and catalysts employing the particles as a support |
Moises G. Sanchez, Norman R. Laine |
1983-06-28 |
| 4303552 |
Diesel exhaust catalyst |
William A. Welsh |
1981-12-01 |
| 4279779 |
Spheroidal alumina particles and catalysts employing the particles as a support |
Moises G. Sanchez, Norman R. Laine |
1981-07-21 |