Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7281878 | Road surface sound reduction system | — | 2007-10-16 |
| 6306333 | Process for making cellulose ethers having reduced yellowing and discoloration | Steven Rosenberg, Michael V. Spencer | 2001-10-23 |
| 6294008 | Haze-free cellulose ether capsules and process for making | Colin M. Keary | 2001-09-25 |
| 6261218 | Process and apparatus for making low molecular weight cellulose ethers | — | 2001-07-17 |
| 5674999 | Process for preparing readily dispersible water-soluble cellulosic polymers | Michael R. Smith, Kenneth C. Reibert | 1997-10-07 |
| 5488104 | Process for comminuting cellulose ethers | — | 1996-01-30 |
| 5218107 | Removal of undesirable material from water-soluble cellulose ether aqueous solutions | — | 1993-06-08 |
| 5167965 | Palatable cholestyramine granules, tablets and methods for preparation thereof | — | 1992-12-01 |
| 4988807 | Removal of undesirable material from water-soluble polysaccharide ethers | Stephen B. Christensen, Susan M. Kling | 1991-01-29 |
| 4820813 | Grinding process for high viscosity cellulose ethers | — | 1989-04-11 |
| 4816298 | Method of making a granular, cold water dispersible coating composition | Daniel A. Alderman | 1989-03-28 |
| 4581446 | Purification of cellulose ethers | — | 1986-04-08 |