Societe Chimique des Charbonnages S.A.
97Patents
0Active
97Granted
38Portfolio score
Filing activity: Aug 5, 1974 → Mar 17, 1993
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4650820A | Bitumen-polymer compositions for the preparation of road surface binders | Chemistry; Metallurgy | 37 | Expired |
| US4424330A | Ethylene-propylene copolymers | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4563504A | Propylene and ethylene/.alpha.-olefin copolymer combinations applicable to the manufacture of mono-oriented yarns | Chemistry; Metallurgy | 33 | Expired |
| US4110741A | Device for monitoring physical activity of persons | Physics | 31 | Expired |
| US4486579A | Modified copolymers of ethylene and .alpha.-olefins and a process for their preparation | Chemistry; Metallurgy | 31 | Expired |
| US5070145A | Multi-phase thermoplastic compositions and articles obtained therefrom | Chemistry; Metallurgy | 30 | Expired |
| US4105609A | Deactivation of catalysts of the Ziegler type used for the preparation of polyethylene in high pressure, high temperature processes | Chemistry; Metallurgy | 30 | Expired |
| US4623581A | Compositions of ethylene polymers for the manufacture of films | Chemistry; Metallurgy | 23 | Expired |
| US4337722A | Apparatus for granulating and/or coating particles in a spouted bed | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4049760A | Method of manufacture of foamed thermo-plastic extruded shapes | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4086197A | Hardeners for epoxy resins | Chemistry; Metallurgy | 20 | Expired |
| US4283462A | Phenolic laminates with furan resin coating | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4623567A | Compositions of ethylene polymers for the manufacture of films | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4624823A | Blown tubing method and apparatus | Performing Operations; Transporting | 18 | Expired |
| US4729442A | Apparatus for the weighted dosing of granulated or pulverulent products | Physics | 18 | Expired |
| US4451598A | Compositions for sealing products | Chemistry; Metallurgy | 17 | Expired |
| US4861834A | Compositions of ethylene polymers, and method for the preparation thereof | Chemistry; Metallurgy | 16 | Expired |
| US4831094A | Articles having shape recovering properties and a method for using it | Performing Operations; Transporting | 16 | Expired |
| US4011159A | Method of removal of petroleum products from solid or liquid surfaces | Chemistry; Metallurgy | 14 | Expired |
| US4617366A | Process for manufacturing ethylene terpolymers and ethylene copolymers | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4123414A | Method of manufacturing reinforced phenol resin articles, and products thus obtained | Chemistry; Metallurgy | 13 | Expired |
| US4551509A | Process for manufacturing homopolymers and copolymers of ethylene | Chemistry; Metallurgy | 12 | Expired |
| US4020021A | Process for manufacturing polymers of bicyclo [2.2.1] heptene-2 and its substitution derivatives | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4933213A | Crosslinking process | Chemistry; Metallurgy | 12 | Expired |
| US4876036A | Process for the extraction of cations and application thereof to the treatment of aqueous effluents | Performing Operations; Transporting | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.