Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432271 | Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or nonionic dispersion polymers | Jane B. Wong Shing, Chidambaram Maltesh | 2002-08-13 |
| 6331229 | Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or monionic dispersion polymers | Jane B. Wong Shing, Chidambaram Maltesh | 2001-12-18 |
| 6265477 | Aqueous dispersion of a particulate high molecular weight anionic or nonionic polymer | — | 2001-07-24 |
| 6217778 | Anionic and nonionic dispersion polymers for clarification and dewatering | Jane B. Wong Shing, Chidambaram Maltesh, Elise E. Maury | 2001-04-17 |
| 6133368 | Seed process for salt dispersion polymer | Manian Ramesh | 2000-10-17 |
| 6071379 | Papermaking process utilizing hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide as retention and drainage aids | Jane B. Wong Shing, Chidambaram Maltesh, Ramasubramanyam Nagarajan | 2000-06-06 |
| 6059930 | Papermaking process utilizing hydrophilic dispersion polymers of dimethylaminoethyl acrylate methyl chloride quaternary and acrylamide as retention and drainage aids | Jane B. Wong Shing | 2000-05-09 |
| 6025426 | Process for preparing hydrophilic dispersion polymers for treating wastewater | — | 2000-02-15 |
| 5938937 | Hydrophilic dispersion polymers for treating wastewater | John W. Sparapany | 1999-08-17 |
| 5837776 | Process for producing water soluble anionic dispersion polymers | Radhakrishnan Selvarajan | 1998-11-17 |
| 5653886 | Coagulant for mineral refuse slurries | E. Michael Kerr, Lawrence J. Connelly | 1997-08-05 |
| 5597859 | Seed process for salt dispersion polymer | Manian Ramesh | 1997-01-28 |
| 5395897 | High molecular weight substituted amides from polycarboxylic acids | Martha R. Finck | 1995-03-07 |
| 4655934 | Dimeric aluminum compounds and their use | Gerard Rose | 1987-04-07 |
| 4604211 | Acrylic acid-sodium vinylsulfonate-vinyl acetate terpolymer and use thereof as a dispersant | James F. Kneller | 1986-08-05 |
| 4255545 | Discrete bead polymer process | Louis A. Goretta | 1981-03-10 |
| 4195003 | Phosphorus acid to stabilize quaternized polyacrylamide | Edward G. Ballweber | 1980-03-25 |