Richard G. Sinclair
31Patents
20h-index
25Co-inventors
85Inventor score
Filing activity: Jan 28, 1975 → Feb 12, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5444113A | End use applications of biodegradable polymers | Chemistry; Metallurgy | 1,501 | Expired |
| US5216050A | Blends of polyactic acid | Chemistry; Metallurgy | 312 | Expired |
| US4716964A | Use of degradable ball sealers to seal casing perforations in well treatment fluid diversion | Chemistry; Metallurgy | 274 | Expired |
| US5502158A | Degradable polymer composition | Chemistry; Metallurgy | 269 | Expired |
| US4387769A | Method for reducing the permeability of subterranean formations | Emerging Cross-Sectional Technologies | 229 | Expired |
| US5834582A | Degradable polymer composition | Chemistry; Metallurgy | 229 | Expired |
| US6323307A | Degradation control of environmentally degradable disposable materials | Chemistry; Metallurgy | 220 | Expired |
| US4526695A | Composition for reducing the permeability of subterranean formations | Emerging Cross-Sectional Technologies | 172 | Expired |
| US4045418A | Copolymers of D,L-lactide and epsilon caprolactone | Chemistry; Metallurgy | 147 | Expired |
| US4057537A | Copolymers of L-(-)-lactide and epsilon caprolactone | Chemistry; Metallurgy | 136 | Expired |
| US5180765A | Biodegradable packaging thermoplastics from lactides | Chemistry; Metallurgy | 131 | Expired |
| US5252642A | Degradable impact modified polyactic acid | Emerging Cross-Sectional Technologies | 96 | Expired |
| US5760118A | End use applications of biodegradable polymers | Chemistry; Metallurgy | 72 | Expired |
| US6740731B2 | Degradation control of environmentally degradable disposable materials | Emerging Cross-Sectional Technologies | 51 | Expired |
| US5424346A | Biodegradable replacement of crystal polystyrene | Chemistry; Metallurgy | 47 | Expired |
| US4098980A | Non-aqueous dispersion polymerization of conjugated diolefins | Chemistry; Metallurgy | 40 | Expired |
| US4698415A | Method for the preparation of polyarylene sulfide with aqueous polyethylene glycol mixture | Chemistry; Metallurgy | 28 | Expired |
| US4385164A | Block copolymer dispersion stabilizer and aqueous dispersion polymerization therewith | Chemistry; Metallurgy | 26 | Expired |
| US4961872A | Calcium hypochlorite tablets | Chemistry; Metallurgy | 23 | Expired |
| US5319107A | Method to produce cyclic esters | Chemistry; Metallurgy | 21 | Expired |
| US5274127A | Lactide production from dehydration of aqueous lactic acid feed | Chemistry; Metallurgy | 20 | Expired |
| US4665136A | Process for producing novel block alkylene polycarbonate copolymers | Chemistry; Metallurgy | 19 | Expired |
| US6025458A | Degradable polydioxaneone-based materials | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4800066A | End of life indicator for automatic toilet cleaning devices | Physics | 14 | Expired |
| US5332839A | Catalytic production of lactide directly from lactic acid | Performing Operations; Transporting | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.