Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5919375 | Method for adjusting the pH of swimming pool, hot tub, or drinking water with urea hydrochloride | R. Richard Sargent | 1999-07-06 |
| 5733463 | Lowering the pH with an acid/base salt as a pH adjusting agent | R. Richard Sargent | 1998-03-31 |
| 5672279 | Method for using urea hydrochloride | R. Richard Sargent, Thomas H. Moss, III | 1997-09-30 |
| 5629376 | Polyacrylic acid compositions for textile processing | R. Richard Sargent, Michael S. Williams, Thomas H. Moss, III | 1997-05-13 |
| 5616151 | Method for adjusting pH in textile processing solutions with urea hydrochloride salt | R. Richard Sargent | 1997-04-01 |
| 5560992 | Soil resistant fibers | R. Richard Sargent | 1996-10-01 |
| 5459188 | Soil resistant fibers | R. Richard Sargent | 1995-10-17 |
| 5234466 | Lowering of the pH of textile processing solutions by adding urea sulfate as a pH adjusting agent | R. Richard Sargent | 1993-08-10 |
| 5032136 | Process for importing stain-resistance to textile substrates | Patrick H. Fitzgerald, Nandakumar S. Rao, Yashavant V. Vinod | 1991-07-16 |
| 4948650 | Stain-resistant textile substrates | Patrick H. Fitzgerald, Nandakumar S. Rao, Yashavant V. Vinod | 1990-08-14 |
| 4883839 | Stain-resistant agents for textiles | Patrick H. Fitzgerald, Nandakumar S. Rao, Yashavant V. Vinod | 1989-11-28 |