STAMICARBON B.V.
573Patents
114Active
573Granted
51Portfolio score
Filing activity: Aug 2, 1971 → Mar 29, 2024 · 12 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3988132A | Device for separating impurities from gases | Performing Operations; Transporting | 205 | Expired |
| US4344908A | Process for making polymer filaments which have a high tensile strength and a high modulus | Emerging Cross-Sectional Technologies | 107 | Expired |
| US4254297A | Process for the conversion of dimethyl ether | Chemistry; Metallurgy | 98 | Expired |
| US4344804A | Process and apparatus for the manufacture of fiber-reinforced hydraulically bound articles such as cementitious articles | Emerging Cross-Sectional Technologies | 94 | Expired |
| US4430383A | Filaments of high tensile strength and modulus | Emerging Cross-Sectional Technologies | 84 | Expired |
| US4278137A | Apparatus for extracting minerals through a borehole | Fixed Constructions | 81 | Expired |
| US4220203A | Method for recovering coal in situ | Fixed Constructions | 76 | Expired |
| US4137394A | Process for continuous preparation of fibrous polymer crystals | Textiles; Paper | 75 | Expired |
| US4436689A | Process for the production of polymer filaments having high tensile strength | Textiles; Paper | 73 | Expired |
| US5102594A | Process for the processing of a thermoplastic polycondensation polymer | Emerging Cross-Sectional Technologies | 73 | Expired |
| US4422993A | Process for the preparation of filaments of high tensile strength and modulus | Emerging Cross-Sectional Technologies | 72 | Expired |
| US4173547A | Catalyst for preparing polyalkenes | Chemistry; Metallurgy | 71 | Expired |
| US5334455A | Free-radical curable compositions | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4361616A | Laminated board | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4137215A | Process for preparing decorative plastics articles, as well as products prepared according to the process | Chemistry; Metallurgy | 60 | Expired |
| US5093386A | Liquid curable plastic composition | Chemistry; Metallurgy | 57 | Expired |
| US4761445A | Polyamide resin composition | Chemistry; Metallurgy | 56 | Expired |
| US5219896A | Primary coatings for optical glass fibers including poly(carbonate-urethane) acrylates | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4183809A | Process for removing organic substances and nitrogen compounds from waste water | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4091176A | Porous electrode | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4457729A | Polyolefin layer with improved adhesion to a foamed plastic substrate and a method for its manufacture | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4856833A | Bumper | Performing Operations; Transporting | 39 | Expired |
| US5066755A | Novel irradiated polyethylene filaments tapes and films and process therefor | Emerging Cross-Sectional Technologies | 39 | Expired |
| US3963247A | Shaft seal | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US4411854A | Process for the production of filaments with high tensile strength and modulus | Textiles; Paper | 36 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.