John Langley
28Patents
16h-index
28Co-inventors
81Inventor score
Filing activity: Mar 12, 1980 → Dec 18, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4835206A | Water soluble polymeric compositions | Emerging Cross-Sectional Technologies | 226 | Expired |
| US4753710A | Production of paper and paperboard | Textiles; Paper | 198 | Expired |
| US4670501A | Polymeric compositions and methods of using them | Emerging Cross-Sectional Technologies | 130 | Expired |
| US4913775A | Production of paper and paper board | Textiles; Paper | 121 | Expired |
| US5460817A | Particulate composition comprising a core of matrix polymer with active ingredient distributed therein | Performing Operations; Transporting | 91 | Expired |
| US4777200A | Polymeric compositions and methods of using them | Emerging Cross-Sectional Technologies | 82 | Expired |
| US4702844A | Flocculants and their use | Chemistry; Metallurgy | 80 | Expired |
| US4305781A | Production of newprint, kraft or fluting medium | Textiles; Paper | 43 | Expired |
| US5801140A | Enzyme dispersions, their production and compositions containing them | Chemistry; Metallurgy | 40 | Expired |
| US5324445A | Polymeric compositions | Chemistry; Metallurgy | 33 | Expired |
| US5514249A | Production of paper | Textiles; Paper | 28 | Expired |
| US4571422A | Polymer suspensions | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5492646A | Polymeric matrix particle compositions containing coacervate polymer shell | Chemistry; Metallurgy | 25 | Expired |
| US5681480A | Dewatering of aqueous suspensions | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5194263A | Particulate materials, their production and use | Performing Operations; Transporting | 20 | Expired |
| US4684549A | Iron ore pelletization | Chemistry; Metallurgy | 16 | Expired |
| US4705825A | Polymeric products and their production | Chemistry; Metallurgy | 15 | Expired |
| US5223098A | Clay compositions and their use in paper making | Textiles; Paper | 12 | Expired |
| US5744152A | Polymeric compositions and methods of producing them | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4537513A | Process for dissolving polymeric material | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4728537A | Ore pelletization | Chemistry; Metallurgy | 8 | Expired |
| US5035900A | Methods of drying biological products | Chemistry; Metallurgy | 7 | Expired |
| US5637191A | Treatment of cellulosic material and compositions for use in this | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4940763A | Water soluble polymers | Chemistry; Metallurgy | 5 | Expired |
| US4859720A | Process and compositions for sizing paper | Textiles; Paper | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.