Helmut Barzynski
26Patents
13h-index
50Co-inventors
80Inventor score
Filing activity: Jan 30, 1974 → Aug 21, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4576902A | Process of making and using a positive working photosensitive film resist material | Physics | 84 | Expired |
| US4162919A | Laminates for the manufacture of flexographic printing plates using block copolymers | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4555471A | Image-recording materials and image-recording carried out using these | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4939012A | Naphtholactam dyes and optical recording medium containing these dyes | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4056453A | UV-curing printing inks | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4515877A | Image-recording materials and image-recording carried out using these to produce an optical mask | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4113593A | Benzophenone-containing photopolymerizable binders for printing inks and coating compositions | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4665129A | Electrically conductive thermoplastic mixtures of macromolecular compounds and finely divided pyrrole polymers | Chemistry; Metallurgy | 19 | Expired |
| US4889756A | Sheet-like, multilayer, laser-optical recording material | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4459348A | Multi-layer elements suitable for the production of printing plates and relief plates | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4632897A | Photopolymerizable recording material suitable for the production of photoresist layers | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4424314A | Curable coating composition | Physics | 15 | Expired |
| US4205139A | Curable coating composition | Physics | 14 | Expired |
| US4001015A | Method for the production of printing plates using photosensitive compositions | Physics | 13 | Expired |
| US4523208A | Heat-sensitive recording material | Performing Operations; Transporting | 9 | Expired |
| US4966798A | Optical recording medium | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4806664A | Novel tetraphenyldithiolene complexes, asymmetrically substituted benzoins, and optical recording materials containing the novel complexes | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4239609A | Photopolymerizable coating and recording materials containing a photoinitiator and an organic halogen compound | Physics | 7 | Expired |
| US5084592A | Azulenesquaric acid dyes, azulene intermediates therefor, and optical recording medium | Chemistry; Metallurgy | 6 | Expired |
| US4011084A | Fluid photo-crosslinkable compositions for the manufacture of relief printing plates | Chemistry; Metallurgy | 6 | Expired |
| US4876356A | Naphtholactam dyes and optical recording medium containing these days | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4954422A | Recording material containing a layer of polymer particles and a superimposed metallic layer | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4830951A | Naphtholactamsquaric acid dyes and optical recording materials containing these dyes | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4830465A | Irreversible optical recording media and fabrication thereof | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4788562A | Optical recording medium | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.