Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10633798 | Blends of polymers as wet strengthening agents for paper | Cornel Hagiopol, Clay E. Ringold, James W. Johnston, Robert McDonald, Metric M. Simpson +1 more | 2020-04-28 |
| 10301777 | Wet strengthened fiber products, wet strengthening resins, and methods for making and using same | Cornel Hagiopol, Clay E. Ringold, James W. Johnston | 2019-05-28 |
| 10144818 | Resin compositions and methods for making and using same | Clay E. Ringold, Cornel Hagiopol, James W. Johnston | 2018-12-04 |
| 9834890 | Blends of polymers as wet strengthening agents for paper | Cornel Hagiopol, Clay E. Ringold, James W. Johnston, Robert McDonald, Metric M. Simpson +1 more | 2017-12-05 |
| 9695552 | Wet strengthened fiber products, wet strengthening resins, and methods for making and using same | Cornel Hagiopol, Clay E. Ringold, James W. Johnston | 2017-07-04 |
| 9611590 | Creping adhesives and methods for making and using same | Clay E. Ringold, Cornel Hagiopol, Karla D. Favors, Thomas L. Wright | 2017-04-04 |
| 9506196 | Blends of polymers as wet strengthening agents for paper | Cornel Hagiopol, Clay E. Ringold, James W. Johnston, Robert McDonald, Metric M. Simpson +1 more | 2016-11-29 |
| 9404221 | Compositions that include hydrophobizing agents and stabilizers and methods for making and using same | Cornel Hagiopol, Adam K. Sniady, Bobby L. Williamson | 2016-08-02 |
| 9353483 | Paper products containing a polymeric wet strengthening agent | Cornel Hagiopol, Clay E. Ringold, James W. Johnston, Robert McDonald, Metric M. Simpson +1 more | 2016-05-31 |
| 9243365 | Release aids with adjustable cloud points for creping processes | Cornel Hagiopol | 2016-01-26 |
| 9180644 | Additives with cloud points to improve efficiency of release agents | — | 2015-11-10 |
| 8999110 | Blends of polymers as wet strengthening agents for paper | Cornel Hagiopol, Clay E. Ringold, James W. Johnston, Robert McDonald, Metric M. Simpson +1 more | 2015-04-07 |
| 8246781 | Thermosetting creping adhesive with reactive modifiers | Clay E. Ringold, Karla D. Favors, Dexter C. Johnson, Thomas L. Wright, Cornel Hagiopol | 2012-08-21 |
| 7897013 | Blends of glyoxalated polyacrylamides and paper strengthening agents | Cornel Hagiopol, Yuping Luo, James W. Johnston, Clay E. Ringold, Karla D. Favors | 2011-03-01 |
| 7863395 | Polyacrylamide-based strengthening agent | Cornel Hagiopol, Yuping Luo, James W. Johnston | 2011-01-04 |
| 7589153 | Glyoxalated inter-copolymers with high and adjustable charge density | Cornel Hagiopol, Yuping Luo, Clay E. Ringold, Karla D. Favors | 2009-09-15 |
| 7488403 | Blends of glyoxalated polyacrylamides and paper strengthening agents | Cornel Hagiopol, Yuping Luo, James W. Johnston, Clay E. Ringold, Karla D. Favors | 2009-02-10 |
| 7119148 | Glyoxylated polyacrylamide composition strengthening agent | Cornel Hagiopol, Yuping Luo, Karla D. Favors, James W. Johnston, Clay E. Ringold +2 more | 2006-10-10 |
| 7034087 | Aldehyde scavengers for preparing temporary wet strength resins with longer shelf life | Cornel Hagiopol, Yuping Luo, James W. Johnston | 2006-04-25 |
| 6784253 | Enhanced polymerization process | Shripathy Vilasagar, Vern Lowry, Dane Ferraris, Ke Feng, Robert Edgar Colborn +1 more | 2004-08-31 |
| 6387487 | Dual cure, low-solvent silicone pressure sensitive adhesives | Ronald A. Greenberg, Roy M. Griswold, Shaow B. Lin, Ference Horkay | 2002-05-14 |
| 4861376 | High-solids alkyl ketene dimer dispersion | Derek Edwards | 1989-08-29 |