Robert K. Barr
56Patents
9h-index
36Co-inventors
78Inventor score
Filing activity: Nov 16, 1988 → Nov 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6054252A | Photoimageable compositions having improved chemical resistance and stripping ability | Chemistry; Metallurgy | 35 | Expired |
| US9206520B2 | Inhibiting background plating | Emerging Cross-Sectional Technologies | 25 | Active |
| US7144676B2 | Imaging compositions and methods | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5952154A | Photoimageable composition having improved flexibility | Physics | 15 | Expired |
| US7615335B2 | Imaging methods | Emerging Cross-Sectional Technologies | 15 | Active |
| US5320933A | Photoimageable composition having improved adhesion promoter | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4894314A | Photoinitiator composition containing bis ketocoumarin dialkylamino benzoate, camphorquinone and/or a triphenylimidazolyl dimer | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5393643A | Waterborne photoresists having binders neutralized with amino acrylates | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5922522A | Aqueous developing solutions for reduced developer residue | Physics | 9 | Expired |
| US5387494A | Waterborne photoresists having polysiloxanes | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5364737A | Waterbone photoresists having associate thickeners | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7364834B2 | Functional polymer | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5389495A | Waterborne photoresists having non-ionic fluorocarbon surfactants | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6063550A | Aqueous developing solutions for reduced developer residue | Physics | 5 | Expired |
| US7223519B2 | Imaging compositions and methods | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5922509A | Photoimageable compositions having improved stripping properties in aqueous alkaline solutions | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6004725A | Photoimageable compositions | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6855480B2 | Photoresist composition | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7148265B2 | Functional polymer | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6248506A | Aqueous developing solutions for reduced developer residue | Physics | 3 | Expired |
| US6329123A | Photoimageable compositions having improved flexibility and stripping ability | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7632621B2 | Mask | Chemistry; Metallurgy | 3 | Active |
| US6887654B2 | Residue and scum reducing composition and method | Physics | 3 | Expired |
| US5411837A | Waterborne photoresists having binders with sulfonic acid functionality | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5939238A | Photoimageable composition having improved photoinitiator system | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.