Issued Patents All Time
Showing 1–25 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7256251 | Methods of synthesis of polymers and copolymers from natural products | David Westmoreland, Julious L. Willett, Randal L. Shogren, Kenneth M. Doll | 2007-08-14 |
| 7074881 | Methods of synthesis of polysuccinimide, copolymers of polysuccinimide and derivatives thereof | George H. Redlich | 2006-07-11 |
| 6919421 | Methods of synthesis of polysuccinimide, copolymers of polysuccinimide and derivatives thereof | — | 2005-07-19 |
| 6903181 | Methods of synthesis of polysuccinimide, copolymers of polysuccinimide and derivatives thereof | George H. Redlich | 2005-06-07 |
| 6887971 | Synthesis of polysuccinimide and copoly(succinimide-aspartate) in a supercritical fluid | Kenneth M. Doll, Randal L. Shogren, Ronald A. Holser, Julious L. Willett | 2005-05-03 |
| 6720405 | Comonomer compositions for production of imide-containing polyamino acids | George H. Redlich | 2004-04-13 |
| 6686441 | Comonomer compositions for production of imide-containing polyamino acids | George H. Redlich | 2004-02-03 |
| 6686440 | Comomer compositions for production of imide-containing polyamino acids | — | 2004-02-03 |
| 6566469 | Enzyme-mediated polymerization methods and products | David L. Kaplan, Richard A. Gross, Bhanu Kalra | 2003-05-20 |
| 6495658 | Comonomer compositions for production of imide-containing polyamino acids | C. Steven Sikes, Lillian Ringsdorf | 2002-12-17 |
| 6451756 | Method of promoting soil release from fabrics | Jan E. Shulman, Thomas Cleveland Kirk, Curtis Schwartz, Marianne Creamer, Beth Ann Falcone | 2002-09-17 |
| 6046278 | High temperature polymerization process and products therefrom | Michael B. Freeman, Gary Robert Larson, Richard Foster Merritt, Yi H. Paik, Jan E. Shulman +1 more | 2000-04-04 |
| 5981743 | Cyclic ester ring-opened oligomers and methods of preparation | Richard A. Gross, Kirpal S. Bisht, David Kaplan, Fang Deng | 1999-11-09 |
| 5955549 | Crosslinked poly(amino acids) and method of preparation | Ching-Jen Chang | 1999-09-21 |
| 5910531 | Detergent and dispersant compositions from high temperature polymerization products | Michael B. Freeman, Gary Robert Larson, Richard Foster Merritt, Yi H. Paik, Jan E. Shulman +1 more | 1999-06-08 |
| 5710227 | High temperature polymerization process for making terminally unsaturated oligomers | Michael B. Freeman, Gary Robert Larson, Richard Foster Merritt, Yi H. Paik, Jan E. Shulman +1 more | 1998-01-20 |
| 5658464 | Method of inhibiting sulfate scale in aqueous systems using poly(amino acids) | William M. Hann, Yi H. Paik, Susan Tabb Robertson | 1997-08-19 |
| 5612447 | Production of polysuccinimide by thermal polymerization of maleamic acid | Michael B. Freeman, Yi H. Paik, Ethan S. Simon | 1997-03-18 |
| 5556938 | Acid catalyzed process for preparing amino acid polymers | Michael B. Freeman, James M. Lipovsky, Yi H. Paik, Jan E. Shulman | 1996-09-17 |
| 5554721 | Acid catalyzed process for preparing amino acid polymers | David E. Adler, Michael B. Freeman, James M. Lipovsky, Yi H. Paik, Jan E. Shulman | 1996-09-10 |
| 5552514 | Acid catalyzed process for preparing amino acid polymers | David E. Adler, Michael B. Freeman, James M. Lipovsky, Yi H. Paik, Jan E. Shulman | 1996-09-03 |
| 5531934 | Method of inhibiting corrosion in aqueous systems using poly(amino acids) | Michael B. Freeman, William M. Hann, Yi H. Paik | 1996-07-02 |
| 5491212 | Method for preparing polysuccinimides using a rotary tray dryer | Yi H. Paik, Ethan S. Simon | 1996-02-13 |
| 5484878 | Process for preparing polysuccinimides from aspartic acid | Yi H. Paik, Ethan S. Simon | 1996-01-16 |
| 5463017 | Process for preparing polysuccinimides from maleamic acid | Yi H. Paik, Ethan S. Simon | 1995-10-31 |