Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4748263 | Aromatic cyclotriphosphazenes | Devendra Kumar, John A. Parker | 1988-05-31 |
| 4668589 | Aminophenoxycyclotriphosphazene cured epoxy resins and the composites, laminates, adhesives and structures thereof | Devendra Kumar, John A. Parker | 1987-05-26 |
| 4649189 | Process for preparing phthalocyanine polymer from imide containing bisphthalonitrile | Bappalige N. Achar, John A. Parker | 1987-03-10 |
| 4634759 | Fire and heat resistant laminating resins based on maleimido substituted aromatic cyclotriphosphazene polymer | Devendra Kumar, John A. Parker | 1987-01-06 |
| 4600769 | Amine terminated bisaspartimide polymer | Devendra Kumar, John A. Parker | 1986-07-15 |
| 4579782 | Laminate comprising fibers embedded in cured amine terminated bis-imide | Devendra Kumar, John A. Parker | 1986-04-01 |
| 4550177 | Maleimido substituted aromatic cyclotriphosphazenes | Devendra Kumar, John A. Parker | 1985-10-29 |
| 4537834 | "Metal (II) 4,4',4"",4'""-phthalocyanine tetraamines as curing agents for epoxy resins" | Bappalige N. Achar, John A. Parker | 1985-08-27 |
| 4522755 | Metal phthalocyanine intermediates for the preparation of polymers | Bappalige N. Achar, John A. Parker | 1985-06-11 |
| 4499260 | Phthalocyanine polymers | Bappalige N. Achar, John A. Parker | 1985-02-12 |
| 4496701 | Phosphorus-containing imide resins | Indra K. Varma, John A. Parker | 1985-01-29 |
| 4450268 | Metal phthalocyanine polymers | Bappalige N. Achar, John A. Parker | 1984-05-22 |
| 4433115 | Phosphorus-containing imide resins | Indra K. Varma, John A. Parker | 1984-02-21 |
| 4421820 | Elastomer-modified phosphorus-containing imide resins | Indra K. Varma, John A. Parker | 1983-12-20 |
| 4395557 | Phosphorus-containing imide resins | Indra K. Varma, John A. Parker | 1983-07-26 |
| 4276344 | Phosphorus-containing bisimide resins | Indra K. Varma, John A. Parker, Robert A. Administrator of the National Aeronautics and Space Frosch | 1981-06-30 |