Shafer, Sheldon J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shafer, Sheldon J..The latest application filed is for "combination ion exchange resin bed for the synthesis of bisphenol a".
- Shafer, Sheldon J. - Clifton Park NY
- Shafer; Sheldon J. - Pittsfield MA
| Patent | Date |
|---|---|
| Combination Ion Exchange Resin Bed For The Synthesis Of Bisphenol A App 20020147241 - Kissinger, Gaylord M. ; et al. | 2002-10-10 |
| Polycarbonate container having internal layers of amorphous polyamide Grant 4,937,130 - Clagett , et al. June 26, 1 | 1990-06-26 |
| Polyphthalatecarbonate/polycarbonate resin blends Grant 4,918,149 - Clagett , et al. April 17, 1 | 1990-04-17 |
| Thermoplastic resins and polyamides compatibilized with polyamide-polyarylate block copolymers Grant 4,788,248 - Maresca , et al. November 29, 1 | 1988-11-29 |
| Thermoplastic resins and polyamides compatibilized with polyamide-polyester block copolymers Grant 4,788,249 - Maresca , et al. November 29, 1 | 1988-11-29 |
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