Issued Patents All Time
Showing 26–50 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5208204 | Three-way catalyst for treating emissions from compressed natural gas fueled engines | Somasundaram Subramanian, William L. H. Watkins | 1993-05-04 |
| 5208205 | Catalyst system for converting emissions of a lean-burn engine | Somasundaram Subramanian, Robert J. Kudla | 1993-05-04 |
| 5196175 | Dispersion enhanced PT group metal catalysts | Somasundaram Subramanian, William L. H. Watkins | 1993-03-23 |
| 5185305 | Catalyst system for treating the exhaust from a lean-burn gasoline-fueled engine | Somasundaram Subramanian | 1993-02-09 |
| 5183865 | Thermosettable powder compositions of polymaleimide and allyl-functional prepolymer | — | 1993-02-02 |
| 5179060 | Dispersion enhanced PT group metal catalysts and method of making the catalysts | Somasundaram Subramanian, William L. H. Watkins | 1993-01-12 |
| 5179053 | Treating exchaust from a compressed natural gas-fueled engine | Somasundaram Subramanian, Robert J. Kudla | 1993-01-12 |
| 5176887 | Treating emissions from engines fueled by compressed natural gas | Somasundaram Subramanian, William L. H. Watkins | 1993-01-05 |
| 5155077 | Catalyst for purification of lean-burn engine exhaust gas | Clifford Norman Montreuil, Haren S. Gandhi | 1992-10-13 |
| 5139994 | Low temperature light-off platinum catalyst | William L. H. Watkins, Somasundaram Subramanian | 1992-08-18 |
| 5102853 | Three-way catalyst for automotive emission control | William L. H. Watkins, Haren S. Gandhi | 1992-04-07 |
| 5086026 | Reduction catalyst with modified rhodium structure | William L. H. Watkins | 1992-02-04 |
| 5081092 | Oxidation catalyst with modified platinum structure | William L. H. Watkins, Haren S. Gandhi | 1992-01-14 |
| 5021389 | Three-way catalyst for automotive emission control and method of making the catalyst | William L. H. Watkins, Haren S. Gandhi | 1991-06-04 |
| 4992405 | Three-way catalyst for automotive emission control and method of making the catalyst | William L. H. Watkins, Haren S. Gandhi | 1991-02-12 |
| 4959103 | Corrosion inhibiting aqueous, acidic compositions comprising metal-chelating O-hydroxybenzylamine compound | Walter Siegl | 1990-09-25 |
| 4917729 | Corrosion inhibiting aqueous, acidic compositions comprising metal-chelating o-hydroxybenzylamine compound | Walter Siegl | 1990-04-17 |
| 4840667 | Metal-chelating diphenolamine oligomers for corrosion inhibition of metal substrates | Walter Siegl | 1989-06-20 |
| 4830680 | Corrosion inhibiting aqueous compositions comprising metal-chelating diphenolamine compounds | Walter Siegl | 1989-05-16 |
| 4808441 | Metal articles having corrosion-resistant epoxy coatings | Harendra S. Gandhi | 1989-02-28 |
| 4795505 | Corrosion inhibiting aqueous, acidic compositions comprising metal-chelating o-hydroxybenzylamine compound | Walter Siegl | 1989-01-03 |
| 4792355 | Corrosion inhibiting aqueous, acidic compositions comprising metal-chelating omicron-hydroxybenzylamine compound | Walter Siegl | 1988-12-20 |
| 4790878 | Corrosion inhibiting aqueous compositions comprising metal-chelating diphenolamine compounds | Walter Siegl | 1988-12-13 |
| 4770727 | Metal-chelating diphenolamine oligomers for corrosion inhibition of metal substrates | Walter Siegl | 1988-09-13 |
| 4713427 | High solids coating compositions | Ares N. Theodore | 1987-12-15 |