Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292864 | Decolorizing polyaspartic acid polymers | Gary J. Calton | 1994-03-08 |
| 5288783 | Preparation of salt of polyaspartic acid by high temperature reaction | — | 1994-02-22 |
| 5288503 | Cryogel oral pharmaceutical composition containing therapeutic agent | Gary J. Calton | 1994-02-22 |
| 5286810 | Salt of polymer from maleic acid, polyamind and ammonia | — | 1994-02-15 |
| 5266305 | Copolymers of polyamino acids as tartar barrier agents | Gary J. Calton | 1993-11-30 |
| 5260066 | Cryogel bandage containing therapeutic agent | Gary J. Calton | 1993-11-09 |
| 5185024 | Application of agricultural polyammonium acrylate or polyacrylamide hydrogels | Sidney R. Siemer, Gary J. Calton | 1993-02-09 |
| 4732851 | Immobilization of cells with a polyazetidine prepolymer | Gary J. Calton | 1988-03-22 |
| 4728611 | Production of phenylalanine with immobilized cells | Gary J. Calton | 1988-03-01 |
| 4710467 | Process for preparing phenylalanine | Gary Carlton | 1987-12-01 |
| 4650755 | Immobilizing microbial cells with polyfunctional aziridines | Gary J. Calton | 1987-03-17 |
| 4600692 | Immobilized cells for preparing phenylalanine | Gary J. Calton | 1986-07-15 |
| 4436813 | Immobilized microbial cell composition for making L-aspartic acid | Gary J. Calton | 1984-03-13 |
| 4381332 | Adhesive and resulting nonwoven fabric | Glenn E. Fulmer | 1983-04-26 |
| 4367259 | Sound deadening material | Glenn E. Fulmer | 1983-01-04 |
| 4365025 | Flexible polyurethane foams from polymethylene polyphenyl isocyanate containing prepolymers | Robert M. Murch | 1982-12-21 |
| 4342834 | Enzymes bound to polyurethane | Frank J. Hartdegen, Peter Hahn | 1982-08-03 |
| 4312946 | Preparation and use of enzymes bound to polyurethane | Frank J. Hartdegen, Peter Hahn | 1982-01-26 |
| 4309509 | Odorant hydrophilic foam compositions | — | 1982-01-05 |
| 4297482 | Chain-extended polyol compositions and method | Donald W. Larsen | 1981-10-27 |
| 4292412 | Hydrophilic, fabric softener foam compositions and method of making | — | 1981-09-29 |
| 4273913 | Isocyanate capped urethane-containing prepolymer prepared from polyols obtained from epihalohydrin | Donald W. Larsen | 1981-06-16 |
| 4246146 | Fire retardant coating system utilizing polyurethane hydrogel | Glenn E. Fulmer | 1981-01-20 |
| 4241537 | Plant growth media utilizing polyurethane hydrogel | — | 1980-12-30 |
| 4211847 | Polyurethane foams and foam forming compositions containing amine scavengers | Clifton L. Kehr, James L. Guthrie | 1980-07-08 |