Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5029241 | Heat-shrinkable repair cover for pressurized cables | — | 1991-07-02 |
| 4577009 | Polyimide product from phenanthrene | Pierce W. F. Riemer | 1986-03-18 |
| 4526767 | Process for the production of ZSM-5 zeolite | David I. Barnes | 1985-07-02 |
| 4511749 | Conversion of methanol to toluene using amorphous silica-alumina catalysts | Pierce W. F. Riemer | 1985-04-16 |
| 4469814 | Catalysts | David I. Barnes | 1984-09-04 |
| 4427578 | Amorphous silica-based catalyst and process for its production | David I. Barnes, Angela M. Carswell | 1984-01-24 |
| 4408003 | Varnishes for glasscloth laminates, methods of their production and laminates made therefrom | Sally A. Brain | 1983-10-04 |
| 4394499 | Polyimide resins | David I. Barnes | 1983-07-19 |
| 4379896 | Keto/polycarboxy containing resin | David I. Barnes, Angela M. Carswell | 1983-04-12 |
| 4373089 | Phenanthrene based polyimide resin | David I. Barnes | 1983-02-08 |
| 4352922 | Method of producing an improved poly-(amide-imide) resin by reacting a phenanthrene with formaldehyde followed by oxidizing to produce a polycarboxylated product followed by reaction with an aromatic diamine | Angela M. Carswell, David I. Barnes | 1982-10-05 |
| 4350623 | Phenolated naphthalene formaldehyde resin varnish | Sally A. Brain | 1982-09-21 |
| 4346212 | Phenanthrene/HCHO derived polyamide-imide | David I. Barnes, Angela M. Carswell | 1982-08-24 |
| 4334055 | Resin derived from acenaphthene, process for its production and intermediates in its production | Sally A. Brain | 1982-06-08 |
| 4276408 | Method of producing a resin for producing heat stable products, the resin and the products | Sally A. Brain | 1981-06-30 |
| 4200556 | Reinforced rubber | Lesley D. Herbert | 1980-04-29 |
| 4192824 | Aromatic hydrocarbon resins | David I. Barnes | 1980-03-11 |
| 4181688 | Phenolic resols blended with N-methylol carbazoles | Lesley D. Herbert | 1980-01-01 |