Joachim Weide
12Patents
6h-index
13Co-inventors
59Inventor score
Filing activity: Sep 22, 1980 → Aug 17, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4341716A | Polyether polyamines, the salts thereof, process for their manufacture and their use | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4403077A | Anionic compounds based on modified novolak oxyalkylates, their _preparation, and their use as foam-free surface-active agents | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5559216A | Single-step process for the preparation of bis-(acetoacetylamino) benzene disazo pigments | Chemistry; Metallurgy | 9 | Expired |
| US4450304A | Polyether dispersants | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5372747A | Modified block polymers, their preparation and their use | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5352281A | Use of azo pigment preparations for solvent-containing packaging intaglio and flexographic printing inks | Chemistry; Metallurgy | 6 | Expired |
| US4960935A | Bisphenol derivatives, process for their manufacture, and their use as surfactants | Chemistry; Metallurgy | 4 | Expired |
| US4785082A | Process for preparing a highly concentrated aqueous press cakes of an azo disperse dye from dilute aqueous suspension thereof wherein surfactant is added before the dye is isolated | Performing Operations; Transporting | 4 | Expired |
| US5591257A | Pigment preparations based on monoazo pigments | Chemistry; Metallurgy | 4 | Expired |
| US6290768A | Flow-enhanced pigment preparation for offset printing | Chemistry; Metallurgy | 3 | Expired |
| US4828622A | Process for preparing highly concentrated aqueous press cakes of solids | Chemistry; Metallurgy | 3 | Expired |
| US5428136A | Water-insoluble azo colorants having two azo groups and a 1,4-bis (acetoacetylamino) benzene coupling component | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.