Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6306964 | Polyether amine modification of polypropylene | Randall Keith Evans, Richard J. Clark | 2001-10-23 |
| 6214914 | Polyether amine modification of polypropylene | Randall Keith Evans, Richard J. Clark | 2001-04-10 |
| 6140416 | Polyether amine modification of polypropylene | Randall Keith Evans, Richard J. Clark | 2000-10-31 |
| 6031048 | Polyether amine modification of polypropylene | Randall Keith Evans, Richard J. Clark | 2000-02-29 |
| 5965667 | Polyether amine modification of polypropylene | Randall Keith Evans, Richard J. Clark | 1999-10-12 |
| 5783630 | Polyether amine modification of polypropylene | Randall Keith Evans, Richard J. Clark | 1998-07-21 |
| 5254668 | Polyamidopolyfunctional amine from lactam and ether amine | Richard J. Clark, Richele T. Howelton, George P. Speranza | 1993-10-19 |
| 4806615 | Reaction injection molded elastomers prepared from amine terminated polyethers, a blend of an aromatic amine terminated chain extender, a substituted acyclic aliphatic amine terminated chain extender and an aromatic polyisocyanate | Doris M. Rice, Robert A. Grigsby, Jr. | 1989-02-21 |
| 4732919 | Reaction injection molded elastomer made from a quasi-prepolymer of a polyoxyalkylene polyamine and an aromatic isocyanate | Robert A. Grigsby, Jr., Wheeler C. Crawford | 1988-03-22 |
| 4705814 | Reaction product of polyoxyalkylene polyamine and an aliphatic isocyanate | Robert A. Grigsby, Jr., George P. Speranza | 1987-11-10 |
| 4609684 | Rim products made from isatoic anhydride derivatives of polyoxyalkylene polyamines | Robert A. Grigsby, Jr. | 1986-09-02 |
| 4609683 | Quasi-prepolymers from isatoic anhydride derivatives of polyoxyalkylene polyamines and rim products made therefrom | Robert A. Grigsby, Jr. | 1986-09-02 |
| 4607090 | Reaction injection molded elastomers | — | 1986-08-19 |
| 4585850 | Flakeglass with sizing, amino, chloro, isocyanate agents coated directly onto the glass in RRIM elastomers | — | 1986-04-29 |
| 4582887 | Reaction injection molded elastomers | David R. McCoy | 1986-04-15 |
| 4540768 | Rim elastomers made from terephthalate polyester polyol derived polymer polyols | George P. Speranza, Michael Cuscurida | 1985-09-10 |
| 4521581 | Polymer polyol prepared by crosslinking a low molecular weight polymer in a polyol | Michael Cuscurida | 1985-06-04 |
| 4513133 | Reaction injection molded elastomers containing low molecular weight organic acids | — | 1985-04-23 |
| 4499254 | Reaction injection molded elastomers containing high molecular weight organic acids | Edward E. McEntire, Carter G. Naylor | 1985-02-12 |
| 4487908 | Reaction injection molded elastomers containing anhydrides | — | 1984-12-11 |
| 4487912 | Reaction injection molded elastomers containing acid amides | Robert L. Zimmerman | 1984-12-11 |
| 4485229 | Epoxy resin containing a combination of high and low molecular weight polyoxyalkylene polyamine curing agents | Harold G. Waddill | 1984-11-27 |
| 4474900 | Reaction injection molded elastomers | — | 1984-10-02 |
| 4474901 | Reaction injection molded elastomers made using high molecular weight amine terminated polyethers and small amounts of low molecular weight amine terminated polyethers | — | 1984-10-02 |
| 4469657 | Rim elastomers with improved catalyst efficiency | — | 1984-09-04 |