Josef Zelger
14Patents
5h-index
19Co-inventors
59Inventor score
Filing activity: Feb 27, 1990 → Jun 2, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5076968A | Aqueous storage-stable whitener formulation with an anionic polysaccharide stabilizer | Textiles; Paper | 25 | Expired |
| US5518657A | Storage-stable formulation of fluorescent whitening mixtures | Textiles; Paper | 19 | Expired |
| US5622749A | Fluorescent whitening of paper | Textiles; Paper | 14 | Expired |
| US5575958A | Aqueous dispersions of sparingly soluble UV absorbers | Textiles; Paper | 8 | Expired |
| US5429767A | Storage-stable whitener formulation | Textiles; Paper | 5 | Expired |
| US5437818A | Hydrates of the disodium salt or dipotassium salt of 4,4'-bis(2-sulfostyryl)biphenyl | Textiles; Paper | 5 | Expired |
| US6133215A | Fluorescent whitening agent | Chemistry; Metallurgy | 5 | Expired |
| US6153122A | Triazinylaminostilbene compounds | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6331626A | Triazinylaminostilbene compounds | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7497971B2 | Mixtures of fluorescent whitening agents | Textiles; Paper | 0 | Expired |
| US5695687A | Anhydrous fluorescent whitening agent formulation | Textiles; Paper | 0 | Expired |
| US6696406B2 | Fluorescent whitening agent formulation for detergents | Chemistry; Metallurgy | 0 | Expired |
| US8163688B2 | Storage-stable fluorescent whitener formulations | Textiles; Paper | 0 | Expired |
| US6660705B1 | Liquid fluorescent whitening agent formulation | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.