David A. Young
37Patents
15h-index
57Co-inventors
84Inventor score
Filing activity: Feb 11, 1975 → Aug 3, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4966874A | Process for preparing linear alpha-olefins using zirconium adducts as catalysts | Chemistry; Metallurgy | 54 | Expired |
| US5449850A | Process for oligomerizing C.sub.3 and higher olefins using zirconium adducts as catalysts (CS-467) | Chemistry; Metallurgy | 52 | Expired |
| US4855528A | Catalysts and process for oligomerization of olefins with nickel-containing zeolite catalysts | Chemistry; Metallurgy | 47 | Expired |
| US4863888A | Catalyst containing cobalt boron and oxygen and optionally aluminum of preparation and process | Chemistry; Metallurgy | 44 | Expired |
| US8906666B2 | Engineering resistance to aliphatic alcohols | Emerging Cross-Sectional Technologies | 31 | Active |
| US4374070A | Preparation of acetic anhydride | Chemistry; Metallurgy | 29 | Expired |
| US4625068A | Rhodium catalyzed hydroformylation of internal olefins | Performing Operations; Transporting | 28 | Expired |
| US5777041A | Saturated polyolefins having terminal aldehyde or hydroxy substituents and derivatives thereof | Chemistry; Metallurgy | 26 | Expired |
| US5629434A | Functionalization of polymers based on Koch chemistry and derivatives thereof | Chemistry; Metallurgy | 23 | Expired |
| US5691422A | Saturated polyolefins having terminal aldehyde or hydroxy substituents and derivatives thereof | Chemistry; Metallurgy | 22 | Expired |
| US5698722A | Functionalization of polymers based on Koch chemistry and derivatives thereof | Chemistry; Metallurgy | 18 | Expired |
| US4642388A | Rhodium catalyzed hydroformylation of alpha-substituted alpha-olefins | Chemistry; Metallurgy | 18 | Expired |
| US4950786A | Method for making 2,6-naphthalene dicarboxylic acid | Chemistry; Metallurgy | 17 | Expired |
| US5780554A | Saturated polyolefins having terminal aldehyde or hydroxy substituents and derivatives thereof | Chemistry; Metallurgy | 16 | Expired |
| US4855525A | Process for preparing linear alpha-olefins using zirconium adducts as catalysts | Chemistry; Metallurgy | 16 | Expired |
| US5674950A | Polymers having terminal hydroxyl aldehyde, or alkylamino substitutents and derivatives thereof | Chemistry; Metallurgy | 14 | Expired |
| US5717039A | Functionalization of polymers based on Koch chemistry and derivatives thereof | Chemistry; Metallurgy | 14 | Expired |
| US5254719A | Process for preparing purified dimethyl naphthalenedicarboxylate | Chemistry; Metallurgy | 13 | Expired |
| US5919869A | Polymers having terminal hydroxyl, aldehyde, or alkylamino substituents and derivatives thereof | Chemistry; Metallurgy | 12 | Expired |
| US5880219A | Polymers having terminal hydroxyl, aldehyde, or alkylamino substituents and derivatives thereof | Chemistry; Metallurgy | 12 | Expired |
| US5262560A | Process for preparing purified dimethyl naphthalenedicarboxylate | Chemistry; Metallurgy | 9 | Expired |
| US7247742B2 | Recycling polyethylene naphthalate containing materials in a process to produce diesters | Chemistry; Metallurgy | 9 | Expired |
| US4906771A | Process for catalytic oxidation of ortho-nitroaromatic compounds to ortho-nitroaromatic acids | Chemistry; Metallurgy | 6 | Expired |
| US5108970A | Catalysts and process for oligomerization of olefins with nickel-containing zeolite catalysts | Chemistry; Metallurgy | 5 | Expired |
| US3975508A | Method of prevention and removal of sulfur deposits from H.sub.2 S absorption equipment | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.