Chemplex, Ltd.
78Patents
1Active
78Granted
36Portfolio score
Filing activity: Jun 13, 1974 → May 31, 2007 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4087587A | Adhesive blends | Emerging Cross-Sectional Technologies | 101 | Expired |
| US4530912A | Polymerization catalyst and method | Chemistry; Metallurgy | 94 | Expired |
| US4041224A | Catalyst, method and polymerization processes | Chemistry; Metallurgy | 84 | Expired |
| US4087588A | Adhesive blends | Emerging Cross-Sectional Technologies | 74 | Expired |
| US4452942A | Adhesive blends containing anacid or anhydride grafted LLDPE | Chemistry; Metallurgy | 45 | Expired |
| US3953413A | Supported chromium-containing catalyst and process of polymerizing 1-olefins | Chemistry; Metallurgy | 43 | Expired |
| US4530913A | Polymerization catalyst and method | Chemistry; Metallurgy | 43 | Expired |
| US4374753A | Polymerization catalyst and method | Chemistry; Metallurgy | 41 | Expired |
| US4218345A | Olefin polymerization catalyst of chromium and process of preparing it | Chemistry; Metallurgy | 40 | Expired |
| US4477532A | Composite structures | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4409364A | Adhesive blends and composite structures comprising acid or anhydride modified PE + hope + polypropylene | Chemistry; Metallurgy | 38 | Expired |
| US4487885A | Adhesive blends | Chemistry; Metallurgy | 38 | Expired |
| US4481262A | Composite structures | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4206297A | Polymerization catalysts and methods | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4150208A | Method of polymerizing olefins | Chemistry; Metallurgy | 34 | Expired |
| US4394485A | Four component adhesive blends and composite structures | Chemistry; Metallurgy | 33 | Expired |
| US4298712A | Adhesive blends of elastomer, polyolefin, and graft of polyethylene with unsaturated fused ring anhydrides | Chemistry; Metallurgy | 31 | Expired |
| US4263171A | Polymerization catalyst | Chemistry; Metallurgy | 30 | Expired |
| US4335016A | Catalyst and method | Chemistry; Metallurgy | 30 | Expired |
| US4460632A | Adhesive blends and composite structures | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4458058A | Polymerization method | Chemistry; Metallurgy | 29 | Expired |
| US4378304A | Catalyst and methods | Chemistry; Metallurgy | 28 | Expired |
| US4032600A | Resin formulation for rotational molding and shaped structures | Chemistry; Metallurgy | 28 | Expired |
| US4634744A | Method of catalyst deactivation | Electricity | 26 | Expired |
| US4472555A | Adhesive blends containing ethylene polymer grafted with carboxylic reactant | Emerging Cross-Sectional Technologies | 26 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.