Hedstrand; David M
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hedstrand; David M.The latest application filed is for "pyrrolidone derivatives, oligomers and polymers".
- Hedstrand; David M - Midland MI
- Hedstrand; David M. - Midland MI
| Patent | Date |
|---|---|
| Pyrrolidone derivatives, oligomers and polymers Grant 10,968,176 - Tomalia , et al. April 6, 2 | 2021-04-06 |
| Pyrrolidone Derivatives, Oligomers And Polymers App 20190352258 - Tomalia; Donald A. ; et al. | 2019-11-21 |
| Pyrrolidone derivatives, oligomers and polymers Grant 10,420,849 - Tomalia , et al. Sept | 2019-09-24 |
| Pyrrolidone Derivatives, Oligomers And Polymers App 20170246323 - Tomalia; Donald A ; et al. | 2017-08-31 |
| Dense star polymer conjugates as dyes Grant 6,312,679 - Tomalia , et al. November 6, 2 | 2001-11-06 |
| Starburst conjugates Grant 6,177,414 - Tomalia , et al. January 23, 2 | 2001-01-23 |
| Hyper comb-branched polymer conjugates Grant 5,919,442 - Yin , et al. July 6, 1 | 1999-07-06 |
| Non-crosslinked, polybranched polymers Grant 5,773,527 - Tomalia , et al. June 30, 1 | 1998-06-30 |
| Bioactive and/or targeted dendrimer conjugates Grant 5,714,166 - Tomalia , et al. February 3, 1 | 1998-02-03 |
| Process for producing hyper-comb-branched polymers Grant 5,631,329 - Yin , et al. May 20, 1 | 1997-05-20 |
| Structured copolymers and their use as absorbents, gels and carriers of metal ions Grant 5,560,929 - Hedstrand , et al. October 1, 1 | 1996-10-01 |
| Dense star polymer conjugates Grant 5,527,524 - Tomalia , et al. * June 18, 1 | 1996-06-18 |
| Polymer blend containing a modified dense star polymer or dendrimer and a matrix polymer Grant 5,393,795 - Hedstrand , et al. February 28, 1 | 1995-02-28 |
| Starburst conjugates Grant 5,338,532 - Tomalia , et al. August 16, 1 | 1994-08-16 |
| Herbicidal cyanoguanidines and cyanoisothioureas Grant 4,684,398 - Dunbar , et al. August 4, 1 | 1987-08-04 |
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