Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698183 | Compositions comprising high loading water-dispersible UVA and/or UVB light-absorbing copolymer | Matthew E. Langer, John F. Hessel, Dennis Brian Sinfield | 1997-12-16 |
| 5330672 | Fabric care composition comprising water soluble or water-dispersible copolymer containing UV-absorbing monomer | Matthew E. Langer, Simon R. Ellis, John F. Hessel, Russell J. Ward | 1994-07-19 |
| 5250652 | High loading water-dispersible UVA and/or UVB light-absorbing copolymer | Matthew E. Langer | 1993-10-05 |
| 5243021 | Water-dispersible copolymer containing UVA and UVB light-absorbing monomers | Matthew E. Langer, Katherine Lee | 1993-09-07 |
| 5164100 | Fabric softener compositions containing a polymeric fluorescent whitening agent | Matthew E. Langer, John F. Hessel, Simon R. Ellis | 1992-11-17 |
| 5134223 | Water dispersible or water soluble copolymer containing UV-absorbing monomer | Matthew E. Langer | 1992-07-28 |
| 5113010 | Process for synthesizing 4,4'-bis(carboalkoxystilbene) derivatives | Matthew E. Langer | 1992-05-12 |
| 5082578 | Fabric care compositions containing a polymeric fluorescent whitening agent | Matthew E. Langer, Michael P. Aronson, John F. Hessel | 1992-01-21 |
| 5039782 | Polymeric whitening agent | Matthew E. Langer, Michael P. Aronson | 1991-08-13 |