Alan L. Borror
49Patents
9h-index
23Co-inventors
71Inventor score
Filing activity: Nov 30, 1972 → Jul 12, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4663518A | Optical storage identification card and read/write system | Emerging Cross-Sectional Technologies | 235 | Expired |
| US4602263A | Thermal imaging method | Emerging Cross-Sectional Technologies | 148 | Expired |
| US4720449A | Thermal imaging method | Emerging Cross-Sectional Technologies | 120 | Expired |
| US4826976A | Color-shifted dyes with thermally unstable carbamate moiety comprising T-alkoxycarbonyl group | Physics | 81 | Expired |
| US4745046A | Thermal imaging method | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4960901A | Thermal imaging method | Chemistry; Metallurgy | 22 | Expired |
| US3976493A | Photosensitive compositions containing linked spectral sensitizers | Physics | 20 | Expired |
| US3931228A | Process for preparing phthalide and naphthalide indicator dyes | Physics | 11 | Expired |
| US3976640A | Bis-type quaternary salts including benzothiazole and benzimidazole rings and process for preparing dye therewith | Physics | 9 | Expired |
| US4264507A | Novel xanthene dye developers | Chemistry; Metallurgy | 9 | Expired |
| US4028353A | Novel chemical compounds | Physics | 8 | Expired |
| US4416971A | Novel xanthene compounds and their photographic use | Physics | 8 | Expired |
| US4139381A | Photographic products and processes employing pH sensitive filter dyes | Physics | 7 | Expired |
| US4615966A | Color transfer photographic processes and products with indole phthalein filter dyes | Physics | 7 | Expired |
| US5192645A | Thermal imaging method | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4178446A | Sulfam(na)phthaleins | Physics | 6 | Expired |
| US3975423A | Alkylthioalkyl-substituted alkylsulfonylacetonitriles | Physics | 5 | Expired |
| US3941807A | Indole dehydro phthalides and naphthalides | Physics | 5 | Expired |
| US3932186A | Spectrally sensitized photographic silver halide emulsion | Physics | 5 | Expired |
| US4617402A | Novel xanthene compounds and their photographic use | Physics | 5 | Expired |
| US4032545A | Phthalides and naphthalides | Physics | 5 | Expired |
| US4250244A | Thiacyanine betaine blue sensitizing dyes | Physics | 4 | Expired |
| US3976659A | PH Sensitive dyes containing a phenolate group | Physics | 2 | Expired |
| US4139704A | Cyclic amino containing benzisothiazoles | Chemistry; Metallurgy | 2 | Expired |
| US4348529A | Synthesis of cyclic disulfone compounds | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.