Ioan Nicolau
24Patents
11h-index
29Co-inventors
75Inventor score
Filing activity: Dec 2, 1985 → Jul 31, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6114571A | Palladium, gold and boron catalyst and process for the preparation of vinyl acetate | Chemistry; Metallurgy | 69 | Expired |
| US5691267A | Two step gold addition method for preparing a vinyl acetate catalyst | Chemistry; Metallurgy | 66 | Expired |
| US5250487A | Carrier catalyst, process for its preparation, and its use for the preparation of vinyl acetate | Chemistry; Metallurgy | 40 | Expired |
| US5332710A | Vinyl acetate catalyst preparation method | Chemistry; Metallurgy | 35 | Expired |
| US5093537A | Method for the manufacture of 1,3-propanediol | Chemistry; Metallurgy | 22 | Expired |
| US5693586A | Palladium-gold catalyst for vinyl acetate production | Chemistry; Metallurgy | 20 | Expired |
| US5292931A | Carrier catalyst, process for its preparation, and its use for the preparation of vinyl acetate | Chemistry; Metallurgy | 19 | Expired |
| US6034030A | Vinyl acetate catalyst preparation method | Chemistry; Metallurgy | 17 | Expired |
| US5859287A | Process for preparing vinyl acetate utilizing a catalyst comprising palladium, gold, and any of certain third metals | Performing Operations; Transporting | 15 | Expired |
| US6057260A | Vinyl acetate catalyst comprising palladium, gold, copper and any of certain fourth metals | Chemistry; Metallurgy | 15 | Expired |
| US6107514A | Vinyl acetate production using a catalyst comprising palladium and gold deposited on a copper containing carrier | Chemistry; Metallurgy | 11 | Expired |
| US5731457A | Vinyl acetate process utilizing a palladium-gold-copper catalyst | Chemistry; Metallurgy | 9 | Expired |
| US5854171A | Honeycomb catalyst for vinyl acetate synthesis | Performing Operations; Transporting | 8 | Expired |
| USRE34349E | Method for the manufacture of 1,3-propanediol | General | 8 | Expired |
| US6346501B1 | Catalyst based on palladium, cadmium, alkali and lanthanoids and a method for producing vinyl acetate | Chemistry; Metallurgy | 7 | Expired |
| US5705679A | Honeycomb catalyst for vinyl acetate synthesis | Performing Operations; Transporting | 7 | Expired |
| US6274531A | Vinyl acetate catalyst comprising metallic palladium and gold, and cupric acetate | Chemistry; Metallurgy | 6 | Expired |
| US5948724A | Vinyl acetate catalyst comprising metallic palladium and gold and cupric acetate | Chemistry; Metallurgy | 5 | Expired |
| US8216964B2 | Layered support material for catalysts | Performing Operations; Transporting | 4 | Active |
| US4652683A | Process for producing 2-hydroxyphenyl lower alkyl ketones | Chemistry; Metallurgy | 4 | Expired |
| US6072078A | Vinyl acetate production using a catalyst comprising palladium, gold, copper and any of certain fourth metals | Chemistry; Metallurgy | 3 | Expired |
| US5968869A | Vinyl acetate catalyst comprising palladium and gold deposited on a copper containing carrier | Chemistry; Metallurgy | 2 | Expired |
| US7612014B2 | Halide free precurors for catalysts | Performing Operations; Transporting | 1 | Active |
| US7598198B2 | Rhodium containing catalysts | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.