Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6121356 | Plasticized sulfonated ionomers | Robert D. Lundberg, Dennis G. Peiffer | 2000-09-19 |
| 5389271 | Sulfonated olefinic copolymers | Robert D. Lundberg | 1995-02-14 |
| 4970260 | Novel viscosifiers for salt-containing solutions based on polymer complexes | Robert D. Lundberg, Dennis G. Peiffer | 1990-11-13 |
| 4904722 | Method for controlling viscosity of organic liquids and compositions thereof | Robert D. Lundberg, Dennis G. Peiffer, Ilan Duvdevani | 1990-02-27 |
| 4751011 | Hydrocarbon soluble complexes based on metal salts of polyolefinic dicarboxylic acids | Robert D. Lundberg, Alan A. Schetelich, Antonio Gutierrez | 1988-06-14 |
| 4737534 | Method for controlling viscosity of organic liquids and compositions thereof | Robert D. Lundberg, Dennis G. Peiffer, Ilan Duvdevani | 1988-04-12 |
| 4692268 | Method for controlling viscosity of organic liquids and compositions | Robert D. Lundberg, L. Sherwood Minckler, David Yen-Lung Chung | 1987-09-08 |
| 4665115 | Method for controlling viscosity of organic liquids and compositions | Robert D. Lundberg, Dennis G. Peiffer, Ilan Duvdevani | 1987-05-12 |
| 4617337 | Novel polymer compositions based on sulfonated ionomers and amine containing polymers | Robert D. Lundberg, Dennis G. Peiffer | 1986-10-14 |
| 4552916 | Polymer compositions based on sulfonated ionomers and amine containing polymers | Robert D. Lundberg, Dennis G. Peiffer | 1985-11-12 |
| 4536547 | Polymer complexes of a neutralized ionic polymer and a polycaprolactone polymer | Robert D. Lundberg | 1985-08-20 |
| 4529527 | Method for controlling viscosity of lubricating oils | Robert D. Lundberg, James E. McGrath | 1985-07-16 |
| 4517333 | Novel viscosifiers for aqueous fluids based on polymer complexes | Robert D. Lundberg, Dennis G. Peiffer | 1985-05-14 |
| 4497923 | Shear thickening of organic diluents via interpolymer complexes | Robert D. Lundberg, Dennis G. Peiffer, Ilan Duvdevani | 1985-02-05 |
| 4483957 | Antiplasticization of polymer complexes | Robert D. Lundberg | 1984-11-20 |
| 4480063 | Polymer compositions based on sulfonated ionomers and amine containing polymers | Robert D. Lundberg, Dennis G. Peiffer | 1984-10-30 |
| 4412028 | Conversion of polymer solutions into solids or more viscous solution | Robert D. Lundberg, Lee A. McDougall | 1983-10-25 |
| 4330447 | Thermoplastic elastomeric compositions having improved flow | Robert D. Lundberg, Ilan Duvdevani | 1982-05-18 |