Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784146 | Deinking method and composition for wastepaper | Jing Luo, Michael Lease Hemenway | 2004-08-31 |
| 6369010 | Method and composition for preventing pitch deposits in paper mills using resinous mechanical pulps | Jeffrey N. Champine | 2002-04-09 |
| 5556510 | Method for inhibiting the deposition of organic contaminants in polp and papermaking processes | Mark Laurint, Tien-Feng Ling | 1996-09-17 |
| 5415798 | Concentrated high flash point surfactant compositions | Jacqueline K. Pease | 1995-05-16 |
| 5292403 | Method for inhibiting the deposition of organic contaminants in pulp and papermaking processes | Mark Laurint | 1994-03-08 |
| 5266166 | Methods for controlling the deposition of organic contaminants in pulp and papermaking processes using a polyalkylene oxide/vinyl acetate graft copolymer | Iris D. Barton | 1993-11-30 |
| 5256253 | Methods for inhibiting barium sulfate deposition using a poly(amine)compound or its salts in papermaking systems | Davor F. Zidovec, Alexander D. Fisher | 1993-10-26 |
| 5074961 | Process for controlling pitch deposition from pulp in papermaking systems | Gilbert S. Gomes | 1991-12-24 |
| 4871424 | Process for controlling pitch deposition from pulp in papermaking systems | Gilbert S. Gomes | 1989-10-03 |
| 4846933 | Process for controlling pitch deposition from pulp in papermaking systems | Gilbert S. Gomes | 1989-07-11 |
| 4765867 | Pitch control process utilizing quaternized polyamine ionene polymer | Gilbert S. Gomes, Michael Schuster | 1988-08-23 |
| 4744865 | Process for controlling pitch deposition from pulp in papermaking systems | Gilbert S. Gomes | 1988-05-17 |