Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741956 | Biodegradable coatings of ionomer polymer | Pacifico V. Manalastas, Evelyn N. Drake, Robert D. Lundberg | 1988-05-03 |
| 4737303 | Sulfomaleation of organic molecules and polymers | Stanley J. Brois, Francis N. Ferrara | 1988-04-12 |
| 4701204 | Composite comprising a substrate coated with polymeric complexes | Ilan Duvdevani, Pacifico V. Manalastas, Evelyn N. Drake | 1987-10-20 |
| 4701263 | Use of amine neutralized sulfonated polystyrenes for particle flocculation | Donald J. Mintz, Dennis G. Peiffer, Ilan Duvdevani | 1987-10-20 |
| 4652600 | Sulfomaleation of polyolefins (C-1966) | Stanley J. Brois, Francis N. Ferrara | 1987-03-24 |
| 4587304 | Sulfomaleation of polyolefins | Stanley J. Brois, Francis N. Ferrara | 1986-05-06 |
| 4581209 | N-aminoalkyl alkylpiperazine promoted acid gas scrubbing process | Alexis A. Oswald, Guido Sartori, David W. Savage | 1986-04-08 |
| 4552939 | Preparation of sulfonated copolymers by suspension copolymerization | S. Richard Turner, Robert D. Lundberg | 1985-11-12 |
| 4547542 | Sulfonated polymer and compositions thereof | Robert D. Lundberg | 1985-10-15 |
| 4525294 | Amino acid mixtures, their alkali metal salts and process for preparing same | Guido Sartori | 1985-06-25 |
| 4520158 | Nonaqueous solvent soluble polyampholytes-viscosifier and shear thickening additive | Dennis G. Peiffer, Robert D. Lundberg, Ilan Duvdevani | 1985-05-28 |
| 4481318 | Sulfonated polymer and compositions thereof | Robert D. Lundberg | 1984-11-06 |
| 4478727 | Sodium styrene sulfonate-co-sodium-n-(4-sulfophenyl)-maleimide- an improved viscosity control additive | S. Richard Turner, Thad O. Walker | 1984-10-23 |
| 4446267 | Sulfonated polymer and compositions thereof | Robert D. Lundberg | 1984-05-01 |
| 4442011 | Drilling mud viscosification agents based on sulfonated ionomers | Thad O. Walker, Robert D. Lundberg, Joseph Wagensommer | 1984-04-10 |
| 4442253 | Blend compounds of sulfonated polymers and compositions thereof | Robert D. Lundberg, Pawan K. Agarwal | 1984-04-10 |
| 4425463 | Drilling fluids based on a mixture of sulfonated thermoplastic polymer and an amine-treated clay | Thad O. Walker, S. Richard Turner, Robert D. Lundberg, Dennis G. Pfeiffer | 1984-01-10 |
| 4425461 | Drilling fluids based on a mixture of a sulfonated thermoplastic polymer and a sulfonated elastomeric polymer | S. Richard Turner, Robert D. Lundberg, Thad O. Walker, Dennis G. Peiffer | 1984-01-10 |
| 4421898 | Sulfonated polymer and compositions thereof | Robert D. Lundberg | 1983-12-20 |
| 4421882 | Blend compounds of sulfonated polymers and compositions thereof | Robert D. Lundberg, Pawan K. Agarwal | 1983-12-20 |
| 4405578 | Co-promoted acid gas scrubbing solution and process for using same | Guido Sartori | 1983-09-20 |
| 4405579 | Sterically hindered amino acids and tertiary amino acids as promoters in acid gas scrubbing processes | Guido Sartori | 1983-09-20 |
| 4405586 | N-Secondary butyl glycine promoted acid gas scrubbing process | Guido Sartori | 1983-09-20 |
| 4385141 | Hot melt adhesive compositions | Pawan K. Agarwal | 1983-05-24 |
| 4376102 | Process for removing acid gases using a basic salt activated with a diaminoalcohol | Guido Sartori, Chang-Jin Kim | 1983-03-08 |