Charles Michael Buchanan
67Patents
21h-index
56Co-inventors
91Inventor score
Filing activity: Apr 16, 1990 → Feb 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5446079A | Aliphatic-aromatic copolyesters and cellulose ester/polymer blends | Emerging Cross-Sectional Technologies | 172 | Expired |
| US5292783A | Aliphatic-aromatic copolyesters and cellulose ester/polymer blends | Emerging Cross-Sectional Technologies | 161 | Expired |
| US5599858A | Aliphatic-aromatic copolyesters and cellulose ester/polymer blends | Emerging Cross-Sectional Technologies | 154 | Expired |
| US5580911A | Aliphatic-aromatic copolyesters and cellulose ester/polymer blends | Emerging Cross-Sectional Technologies | 127 | Expired |
| US5559171A | Aliphatic-aromatic copolyesters and cellulose ester/polymer blends | Emerging Cross-Sectional Technologies | 118 | Expired |
| US6495656B1 | Copolyesters and fibrous materials formed therefrom | Chemistry; Metallurgy | 108 | Expired |
| US6342304B1 | Aliphatic aromatic copolyesters | Emerging Cross-Sectional Technologies | 86 | Expired |
| US8148518B2 | Cellulose esters and their production in carboxylated ionic liquids | Emerging Cross-Sectional Technologies | 78 | Active |
| US6479467B1 | Cyclodextrin ethers | Chemistry; Metallurgy | 65 | Expired |
| US5900322A | Aliphatic-aromatic copolyesters and cellulose ester/polymer blends | Emerging Cross-Sectional Technologies | 62 | Expired |
| US5594068A | Cellulose ester blends | Chemistry; Metallurgy | 53 | Expired |
| US6562938B2 | Copolyesters and fibrous materials formed therefrom | Chemistry; Metallurgy | 49 | Expired |
| US6610671B2 | Cyclodextrin sulfonates, guest inclusion complexes methods of making the same and related materials | Performing Operations; Transporting | 45 | Expired |
| US6228895A | Method for plasticizing a composition comprised of cellulose fiber and a cellulose ester | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5970988A | Environmentally non-persistant cellulose ester fibers | Textiles; Paper | 37 | Expired |
| US7879994B2 | Cellulose interpolymers and method of oxidation | Human Necessities | 30 | Active |
| US6309509A | Composition and paper comprising cellulose ester, alkylpolyglycosides, and cellulose | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6977275B2 | Carbohydrate esters and polyol esters as plasticizers for polymers, compositions and articles including such plasticizers and methods of using the same | Chemistry; Metallurgy | 26 | Expired |
| US7919631B2 | Production of ionic liquids | Emerging Cross-Sectional Technologies | 25 | Active |
| US6133439A | Environmentally non-persistant cellulose ester fibers | Textiles; Paper | 24 | Expired |
| US5625029A | Biodegradable poly (3-Hydroxyalkanoate) compositions and blends | Chemistry; Metallurgy | 21 | Expired |
| US6313202A | Cellulose ester blends | Chemistry; Metallurgy | 20 | Expired |
| US8067488B2 | Cellulose solutions comprising tetraalkylammonium alkylphosphate and products produced therefrom | Emerging Cross-Sectional Technologies | 20 | Active |
| US8729253B2 | Cellulose ester optical films | Physics | 18 | Active |
| US6352845B1 | Corn fiber for the production of advanced chemicals and materials: separation of monosaccharides and methods thereof | Emerging Cross-Sectional Technologies | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.