Roger Lacroix
28Patents
11h-index
22Co-inventors
75Inventor score
Filing activity: Jun 7, 1974 → Apr 21, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4523924A | Process for the preparation of stable aqueous solutions of water-soluble reactive dyes by membrane separation | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4616550A | String support and neck device for stringed instrument | Physics | 26 | Expired |
| US6015454A | Process for printing textile fibre materials in accordance with the ink-jet printing process | Textiles; Paper | 20 | Expired |
| US4851011A | Process for the preparation of concentrated aqueous dye formulations of water-soluble organic dyes by membrane separation and with cross-flow micro-filtration to remove suspended or colloidal solids | Emerging Cross-Sectional Technologies | 17 | Expired |
| US3944505A | Catalytic structure | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4500321A | Process for the preparation of concentrated fluid dye compositions | Chemistry; Metallurgy | 15 | Expired |
| US4073615A | Stable dye solution | Textiles; Paper | 14 | Expired |
| US4060995A | Immersion of an offshore weight-structure having two compartments | Fixed Constructions | 14 | Expired |
| US4179267A | Stable, highly concentrated dyestuff solutions miscible with water in any proportion | Chemistry; Metallurgy | 13 | Expired |
| US6007611A | Process for printing textile fibre materials in accordance with the ink-jet printing process | Textiles; Paper | 13 | Expired |
| US4111650A | Stable concentrated liquid preparation of a paper dye of the copper phthalocyanine class | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5972084A | Process for printing textile fiber materials in accordance with the ink-jet printing process | Textiles; Paper | 9 | Expired |
| US4053662A | Method of processing porous metal filters | Performing Operations; Transporting | 7 | Expired |
| US4560480A | Process for converting sparingly soluble salts of anionic dyes and fluorescent brighteners into more soluble salts by means of cation exchange | Textiles; Paper | 7 | Expired |
| US4309180A | Anthraquinone compounds and the production and use thereof | Textiles; Paper | 6 | Expired |
| US4077775A | Element for detecting the presence of combustible gases in a gaseous atmosphere | Physics | 6 | Expired |
| US4955987A | Process for the preparation of concentrated aqueous, substantially salt-free solutions of aminotriazinyl reactive dyes, aqueous dye solutions produced thereby and process of dyeing | Chemistry; Metallurgy | 3 | Expired |
| US4260391A | Stable concentrated solution of a dye of the disazo class | Chemistry; Metallurgy | 3 | Expired |
| US5145484A | Polyvinyl alcohol envelopes of low air content as packing material for fibre-reactive dyes | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4098569A | Stable concentrated liquid preparation of paper dyes of the disazo class | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4074966A | Stable concentrated liquid preparation of a paper dye of the disazo class | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6511535B1 | Method for printing fibrous textile materials using the ink jet technique | Textiles; Paper | 1 | Expired |
| US4336026A | Liquid preparation of an anionic dye of the disazo class | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7144451B2 | Method of printing sheet-form substrates by the inkjet printing process | Chemistry; Metallurgy | 1 | Expired |
| US6033445A | Dye mixtures and their use | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.