Richard A. Burt
17Patents
9h-index
25Co-inventors
72Inventor score
Filing activity: May 9, 1983 → May 10, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5521306A | Processes for the preparation of hydroxygallium phthalocyanine | Chemistry; Metallurgy | 127 | Expired |
| US4624904A | Photoconductive imaging members with unsymmetrical squaraine compounds containing an hydroxyl group | Physics | 43 | Expired |
| US5493016A | Processes for the preparation of alkoxy-bridged metallophthalocyanine dimers | Chemistry; Metallurgy | 23 | Expired |
| US4552822A | Photoconductive devices with hydroxy containing squaraine compositions | Physics | 20 | Expired |
| US4524218A | Processes for the preparation of squaraine compositions | Physics | 14 | Expired |
| US5456998A | Photoconductive imaging members containing alkoxy-bridged metallophthalocyanine dimers | Physics | 13 | Expired |
| US4792508A | Electrophotographic photoconductive imaging members with cis, trans perylene isomers | Physics | 13 | Expired |
| US4607124A | Processes for the preparation of mixed squaraine compositions | Physics | 10 | Expired |
| US4507480A | Squaraines | Physics | 10 | Expired |
| US4808506A | Photoconductive imaging members with imidazole perinones | Physics | 9 | Expired |
| US4751327A | Photoconductive imaging members with unsymmetrical squaraine compounds | Physics | 9 | Expired |
| US5466796A | Alkoxy-bridged metallophthalocyanine dimers | Physics | 9 | Expired |
| US6492080B1 | Process for tuning photoreceptor sensitivity | Physics | 6 | Expired |
| US4471041A | Photoconductive devices containing novel squaraine compositions | Physics | 6 | Expired |
| US6645687B1 | Imaging members | Physics | 4 | Expired |
| US6716956B2 | Process for preparing polyarylene ethers | Chemistry; Metallurgy | 3 | Expired |
| US4559286A | Mixed squaraine photoconductive compositions | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.