Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885356 | High molecular weight poly(toluenediamine aramide) and a method for their preparation | Roland Libers | 1989-12-05 |
| 4831146 | Process for preparing triacetone amine and other oxopiperidines | Denise B. Taylor | 1989-05-16 |
| 4816543 | Polyurethane system using monotertiary-alkyltoluenediamine as a cross linker | William F. Burgoyne, Jr., Jeremiah P. Casey, Dale D. Dixon | 1989-03-28 |
| 4810769 | Process of preparing polyurethanes cured with 2,6-idaminobenzoic acid derivatives and blends of the 2, 4 and 2,6 isomers | Jeremiah P. Casey, Susan M. Clift | 1989-03-07 |
| 4786703 | Process for the preparation of polyisocyanate prepolymers and polyurethanes having high temperature performance and low hysteresis | William E. Starner, Jeremiah P. Casey, Susan M. Clift | 1988-11-22 |
| 4745223 | Mono-tertiary-alkylated toluenediamine and derivatives | William F. Burgoyne, Jr., Jeremiah P. Casey, Dale D. Dixon | 1988-05-17 |
| 4724256 | Urethane linked hydroxy aromatic isocyanates | William E. Starner, Roland E. Grandin | 1988-02-09 |
| 4722989 | Process for producing polyurethane/urea elastomers | William E. Starner, Jeremiah P. Casey | 1988-02-02 |
| 4683279 | Low melting urethane linked toluenediisocyanates | William E. Starner, Roland E. Grandin, Jeremiah P. Casey | 1987-07-28 |
| 4533763 | Hydroxy aromatic compounds from alkali metal hydroxide and mononuclear aromatic compound | George B. DeLaMater | 1985-08-06 |
| 4533765 | Polyhydroxy aromatic compounds from alkali metal hydroxide and mononuclear aromatic compounds | George B. DeLaMater | 1985-08-06 |
| 4519432 | Reinforced polyurethane tires | Andreas Schmidt, Herbert F. Strohmayer, Walter Sibral | 1985-05-28 |
| 4507459 | Polyurethane compositions having low hysteresis | Andreas Schmidt, Herbert F. Strohmayer, Walter Sibral | 1985-03-26 |
| 4501922 | Aromatic amines from alkali metal amide aminating agent and aromatic | Roland E. Grandin | 1985-02-26 |
| 4465876 | Nitration of aromatics with nitrogen oxides in trifluoroacetic acid | — | 1984-08-14 |
| 4448939 | Polyurethanes prepated using poly(silyldiamines) | Michael J. Fasolka | 1984-05-15 |
| 4341898 | Synthesis of isocyanates from nitroalkanes | Robert K. Pinschmidt, Jr. | 1982-07-27 |
| 4329501 | Synthesis of alkyl amino benzenes from alkyl diamino benzenes | Roland E. Grandin | 1982-05-11 |
| 4289908 | Production of higher amines by the gas phase hydrogenation of nitriles | Eckhart R. Becker, Randall J. Daughenbaugh | 1981-09-15 |
| 4257986 | Process for refining aqueous acid mixtures utilized in nitration of aromatics | Der-Shing Huang | 1981-03-24 |
| 4224249 | Toluene diamine from non-washed dinitrotoluene | Nance D. Kunz, Thomas A. Johnson | 1980-09-23 |