Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11154480 | Shaping keratin fibres using a sugar | Randy Purnell Washington, Alan David Willey, Stevan Samuel | 2021-10-26 |
| 11129784 | Shaping keratin fibres using oxoethanoic acid and/or derivatives thereof | Randy Purnell Washington, Alan David Willey, Stephanie Lee Davis | 2021-09-28 |
| 11110046 | Shaping keratin fibres using 2-hydroxypropane-1,2,3-tricarboxylic acid and/or 1,2,3,4-butanetetracarboxylic acid | Randy Purnell Washington, Alan David Willey, Stevan Samuel | 2021-09-07 |
| 11103434 | Shaping keratin fibres using carbonate ester | Randy Purnell Washington, Alan David Willey | 2021-08-31 |
| 11096879 | Shaping keratin fibres using an active agent comprising a functional group selected from the group consisting of: -C(=O)-, -C(=O)-H, and -C(=O)-O- | Randy Purnell Washington, Alan David Willey, Jacob Robert Adams, Philip Andrew Sawin, John August Wos +1 more | 2021-08-24 |
| 10945931 | Shaping keratin fibres using dialdehyde compounds | Randy Purnell Washington, Yonas Gizaw | 2021-03-16 |
| 10729630 | Shaping keratin fibres using an active agent comprising at least two functional groups selected from: —C(OH)- and —C(=O)OH | Randy Purnell Washington, Alan David Willey, Stevan Samuel | 2020-08-04 |
| 10568826 | Shaping keratin fibres using a pretreatment and a protein crosslinking composition | Randy Purnell Washington, Andreas Flohr | 2020-02-25 |
| 10195130 | Shaping keratin fibers using arabinose and ethylene carbonate | Randy Purnell Washington, Andreas Flohr, Amber Joy Yeary, Alan David Willey | 2019-02-05 |
| 9956155 | Shaping keratin fibres using an amine or a diamine | Randy Purnell Washington, Alan David Willey, Jacob Robert Adams, Philip Andrew Sawin | 2018-05-01 |
| 9918921 | Methods for shaping fibrous material and treatment compositions therefor | Stevan Samuel, Randy Purnell Washington, Alan David Willey | 2018-03-20 |
| 9877559 | Methods for shaping fibrous material and treatment compositions therefor | Jacob Robert Adams, William R. Mueller, Stevan Samuel, Philip Andrew Sawin, Randall Alan Watson +2 more | 2018-01-30 |
| 9781988 | Appliance for shaping fibrous material | Randy Purnell Washington, Alan David Willey, Stevan Samuel, Michael Kloeppel-Riech, Sandra W. Smith +2 more | 2017-10-10 |
| 9713369 | Appliance for shaping fibrous material | Randy Purnell Washington, Alan David Willey, Stevan Samuel, Michael Kloeppel-Riech, Sandra W. Smith +2 more | 2017-07-25 |