Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7317053 | Compositions for imparting desired properties to materials | Robert A. Gelman, Matthew B. Howle, Andrea Keys, Jeffrey I. Melzer, Michael T. Raab +2 more | 2008-01-08 |
| 6908983 | Synthesis of high solids resins from amine terminated polyamides | — | 2005-06-21 |
| 6677427 | Enzyme-catalyzed polyamides and compositions and processes of preparing and using the same | Huai N. Cheng, Qu-Ming Gu | 2004-01-13 |
| 6667384 | Methyl acrylate-diamine based polyamide resins and processes for producing the same | Qu-Ming Gu, Armin Michel, Huai N. Cheng, Ronald R. Staib | 2003-12-23 |
| 6586520 | Compositions for imparting desired properties to materials | James Canorro, Robert A. Gelman, Matthew B. Howle, Andrea Keys, JoAnne Lefever +7 more | 2003-07-01 |
| 6352613 | Resin compositions having high solids contents | — | 2002-03-05 |
| 6294645 | Dry-strength system | Anthony J. Allen, Elliott Echt, Jeffrey C. Peters | 2001-09-25 |
| 6245874 | Process for making repulpable wet and dry strength paper | Ronald R. Staib, Joseph Raymond Fanning | 2001-06-12 |
| 6214932 | Creping adhesives obtained by the reaction of polyamide and polyvinylalcohol with epichlorohydrin | — | 2001-04-10 |
| 6103861 | Strength resins for paper and repulpable wet and dry strength paper made therewith | Ronald R. Staib, Joseph Raymond Fanning | 2000-08-15 |
| 5994449 | Resin compositions for making wet and dry strength paper and their use as creping adhesives | — | 1999-11-30 |
| 5668246 | Synthesis of high solids-content wet-strength resin | — | 1997-09-16 |
| 5338807 | Synthesis of creping aids based on polyamides containing methyl bis(3-aminopropylamine) | Herbert H. Espy | 1994-08-16 |
| 4708772 | Paper products containing wet strength resins | — | 1987-11-24 |
| 4605709 | Wet strength resin from methylbis(aminopropyl)amine, oxalic acid ester, saturated aliphatic diester and epihalohydrin | — | 1986-08-12 |
| 4520159 | Process for producing polyaminopolyamides containing halohydrin functionality | — | 1985-05-28 |
| 4515657 | Wet Strength resins | — | 1985-05-07 |
| 4487884 | Aqueous solution of cationic thermosetting resin from N-bis(aminopropyl)methylamine/oxalic acid | — | 1984-12-11 |
| 4483959 | Organic pigments | Gavin G. Spence | 1984-11-20 |
| 4469555 | Organic pigments | Gavin G. Spence | 1984-09-04 |
| 4456724 | Organic pigments | Gavin G. Spence | 1984-06-26 |
| 4434267 | Organic pigments | Gavin G. Spence | 1984-02-28 |
| 4426483 | Organic pigments | Gavin G. Spence | 1984-01-17 |
| 4414353 | Organic pigments | Gavin G. Spence | 1983-11-08 |
| 4404310 | Organic pigments | Gavin G. Spence | 1983-09-13 |