Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955826 | PROCESS FOR THE PROVISION OF A PLANT EXTRACT CONTAINING CONDENSED TANNINS, WITH ASTRINGENT CHARACTERISTICS, MODIFIED BY COPOLYMERIZATION, FOR USE IN TANNING AND RETAINNING OF SKINS, A PLANT EXTRACT WITH ASTRINGENT CHARACTERISTICS, MODIFIED BY COPOLYMERIZATION, AND USE OF A MODIFIED PLANT EXTRACT CONTAINING TANNINGS | Luiz Henrique Lamb | 2005-10-18 |
| 6478986 | Manufacturing process for quaternary ammonium tannate, a vegetable coagulating/flocculating agent | Luiz Henrique Lamb | 2002-11-12 |