Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8097125 | Temporary wet strength system for tissue paper | Michael Ryan, William Brevard | 2012-01-17 |
| 7943789 | Alkenylsuccinic anhydride composition and method of using the same | Harold A. Goldsberry, III, Kimberly C. Dilts, Charles R. Hunter, Michael P. O'Toole, Robert J. Proverb +4 more | 2011-05-17 |
| 7767059 | Strong and dispersible paper products | Michael Ryan | 2010-08-03 |
| 6939443 | Anionic functional promoter and charge control agent | Michael Ryan, William Brevard, Michael Lostocco, Robert J. Proverb, David W. Lipp | 2005-09-06 |
| 6666952 | Paper sizing compositions and methods | Kimberly C. Dilts, Robert J. Proverb | 2003-12-23 |
| 6576049 | Paper sizing compositions and methods | Kimberly C. Dilts, Robert J. Proverb | 2003-06-10 |
| 6494990 | Paper or board with surface of carboxylated surface size and polyacrylamide | Rajiv Bazaj, Gerald J. Guerro | 2002-12-17 |
| 6281291 | Paper or board treating composition of carboxylated surface size, polyacrylamide and crosslinker | Rajiv Bazaj, Gerald J. Guerro | 2001-08-28 |
| 6210475 | Use of hydroxyalkylated starches for improved emulsification of sizing agents | Robert J. Proverb, Katarzyna Komarowska | 2001-04-03 |
| 6034181 | Paper or board treating composition of carboxylated surface size and polyacrylamide | Rajiv Bazaj, Gerald J. Guerro | 2000-03-07 |
| 5824190 | Methods and agents for improving paper printability and strength | Gerald J. Guerro, Rajiv Bazaj | 1998-10-20 |
| 5723022 | Temporary wet strength resins | Gerald J. Guerro | 1998-03-03 |
| 5512184 | Ampholytic polymers and polymeric microemulsions | Michael Ryan, Robert J. Proverb | 1996-04-30 |
| 5393827 | Preparation of high solids polymeric microemulsions | Michael P. O'Toole | 1995-02-28 |
| 5380444 | Ampholytic polymers and polymeric microemulsions | Michael Ryan, Robert J. Proverb | 1995-01-10 |
| 5320711 | Emulsified mannich acrylamide polymers | Joseph J. Kozakiewicz, Joseph M. Schmitt | 1994-06-14 |
| 5139614 | Styrene/acrylic-type polymers for use as surface sizing agents | Otto S. dePierne, Robert J. Proverb | 1992-08-18 |
| 5138004 | Styrene/acrylic-type polymers for use as surface sizing agents | Otto S. dePierne, Robert J. Proverb | 1992-08-11 |
| 5122568 | Styrene/acrylic type polymers for use as surface sizing agents | Otto S. dePierne, Robert J. Proverb | 1992-06-16 |
| 5093091 | Method of removing iron from concentrated alum solutions | Wei S. Yen | 1992-03-03 |
| 5041503 | Micro-emulsified glyoxalated acrylamide polymers | Joseph J. Kozakiewicz, Joseph M. Schmitt | 1991-08-20 |
| 5037863 | Emulsified functionalized polymers | Joseph J. Kozakiewicz, Joseph M. Schmitt, Sun-Yi Huang | 1991-08-06 |
| 4956400 | Microemulsified functionalized polymers | Joseph J. Kozakiewicz | 1990-09-11 |
| 4954538 | Micro-emulsified glyoxalated acrylamide polymers | Joseph J. Kozakiewicz, Joseph M. Schmitt | 1990-09-04 |
| 4696770 | Method for the synthesis of sulfonated rubrene | William J. Trzaskos | 1987-09-29 |