Heiss; Herbert L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Heiss; Herbert L..The latest application filed is for "method of producing color stable thermoplastic polymethanes and products made thereby".
- Heiss; Herbert L. - New Martinsville WV
| Patent | Date |
|---|---|
| Method of producing color stable thermoplastic polymethanes and products made thereby Grant 4,297,472 - Heiss October 27, 1 | 1981-10-27 |
| Stabilized thermoplastic polyesterurethanes Grant RE30,721 - Heiss , et al. August 25, 1 | 1981-08-25 |
| Process for the preparation of substantially pure cyclo aliphatic diisocyanate stereoisomers Grant 4,250,106 - Heiss February 10, 1 | 1981-02-10 |
| Thermoplastic polyurethanes of mixtures of hard and soft thermoplast polymers Grant 4,129,611 - Heiss December 12, 1 | 1978-12-12 |
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