Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5180751 | Polypropylene foam sheets | John J. Park, Leon Katz | 1993-01-19 |
| 5149579 | Polypropylene foam sheets | John J. Park, Leon Katz | 1992-09-22 |
| 5116881 | Polypropylene foam sheets | John J. Park, Leon Katz | 1992-05-26 |
| 4983398 | Sustained release drug dosage forms containing hydroxypropylmethylcellulose and alkali metal carboxylates | Ashok Nigalaye | 1991-01-08 |
| 4873273 | Epoxide coating composition | John L. H. Allan, Jeffery J. Boettcher, Leon Katz | 1989-10-10 |
| 4849229 | Controlled release solid drug dosage forms based on mixtures of water soluble nonionic cellulose ethers and anionic surfactants | Joseph M. Schor | 1989-07-18 |
| 4795327 | Controlled release solid drug dosage forms based on mixtures of water soluble nonionic cellulose ethers and anionic surfactants | Joseph M. Schor | 1989-01-03 |
| 4740392 | Epoxide coating composition and method of forming a coating on a substrate | John L. H. Allan, Jeffery J. Boettcher, Leon Katz | 1988-04-26 |
| 4543401 | Peroxygen compound-isoascorbic acid redox catalyst system for suspension polymerization of vinyl chloride | — | 1985-09-24 |
| 4540566 | Prolonged release drug dosage forms based on modified low viscosity grade hydroxypropylmethylcellulose | Stanley S. Davis | 1985-09-10 |
| 4515927 | Process to copolymerize vinyl chloride and chlorotrifluoroethylene | — | 1985-05-07 |
| 4506056 | Maleic anhydride-modified polymers and process for preparation thereof | — | 1985-03-19 |
| 4500337 | Adherent controlled release microbiocides containing hydrolyzable silanes and organic titanium compounds | Robert W. Young, Samuel Prussin | 1985-02-19 |
| 4500338 | Adherent controlled release microbiocides containing hydrolyzable _organic titanium compounds | Robert W. Young, Samuel Prussin | 1985-02-19 |
| 4500339 | Adherent controlled release microbiocides containing hydrolyzable silanes | Robert W. Young, Samuel Prussin | 1985-02-19 |
| RE31406 | Oxygen permeable contact lens composition, methods and article of manufacture | — | 1983-10-04 |
| 4389393 | Sustained release therapeutic compositions based on high molecular weight hydroxypropylmethylcellulose | Joseph M. Schor, Ashok Nigalaye | 1983-06-21 |
| 4382133 | Peroxygen compound-6-O-alkanoylisoascorbic acid redox catalyst system for suspension polymerization of vinyl chloride | — | 1983-05-03 |
| 4374814 | Method for removal of gaseous formaldehyde from the atmosphere | — | 1983-02-22 |
| 4369172 | Prolonged release therapeutic compositions based on hydroxypropylmethylcellulose | Joseph M. Schor, Ashok Nigalaye | 1983-01-18 |
| 4352833 | Adherent controlled release pesticides | Robert W. Young, Samuel Prussin | 1982-10-05 |
| 4317765 | Compatibilization of hydroxyl-containing fillers and thermoplastic polymers | — | 1982-03-02 |
| 4283387 | Adherent controlled release pesticide | Robert W. Young, Samuel Prussin | 1981-08-11 |
| 4282207 | Adherent controlled release pesticides | Robert W. Young, Samuel Prussin | 1981-08-04 |
| 4282208 | Adherent controlled release pesticides | Robert W. Young, Samuel Prussin | 1981-08-04 |