Witkowski; Reiner
Patent Applications and Registrations
Patent applications and USPTO patent grants for Witkowski; Reiner.The latest application filed is for "polyaspartic acid ester compositions and method for purification".
- Witkowski; Reiner - Bottrop DE
| Patent | Date |
|---|---|
| Polyaspartic acid ester compositions and method for purification Grant 10,968,165 - Greszta-Franz , et al. April 6, 2 | 2021-04-06 |
| Process and apparatus for continuous production of aqueous polyurethane dispersions Grant 10,752,727 - Grablowitz , et al. A | 2020-08-25 |
| Polyaspartic Acid Ester Compositions And Method For Purification App 20200223787 - Greszta-Franz; Dorota ; et al. | 2020-07-16 |
| Aqueous polyurethane-polyurea dispersions Grant 9,206,331 - Zastrow , et al. December 8, 2 | 2015-12-08 |
| Method For The Continuous Production Of Water-dispersible Vinyl Polymers App 20150051337 - Avtomonov; Evgeny ; et al. | 2015-02-19 |
| Aqueous Polyurethane-polyurea Dispersions App 20130144007 - Zastrow; Alfred ; et al. | 2013-06-06 |
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