Montedison S.p.A.
482Patents
0Active
482Granted
41Portfolio score
Filing activity: Jul 28, 1971 → May 12, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4399054A | Catalyst components and catalysts for the polymerization of alpha-olefins | Chemistry; Metallurgy | 345 | Expired |
| US4220554A | Components of catalysts for polymerizing alpha-olefins and the catalysts formed from the components | Emerging Cross-Sectional Technologies | 158 | Expired |
| US4472524A | Components and catalysts for the polymerization of olefins | Emerging Cross-Sectional Technologies | 149 | Expired |
| US4115319A | Catalysts and catalyst components for polymerizing olefins | Chemistry; Metallurgy | 132 | Expired |
| US4174295A | Aerosol propellant compositions | Emerging Cross-Sectional Technologies | 128 | Expired |
| US4469648A | Process for preparing spheroidally shaped products, solid at room temperature | Performing Operations; Transporting | 118 | Expired |
| US4356319A | Method of recovering in active form the catalyst for the terephthalic acid synthesis | Emerging Cross-Sectional Technologies | 117 | Expired |
| US4259463A | Vulcanizable compositions based on copolymers of vinylidene fluoride and containing vulcanization accelerators which are aminophosphinic compounds | Emerging Cross-Sectional Technologies | 104 | Expired |
| US4226963A | Process for the stereoregular polymerization of alpha-olephins | Emerging Cross-Sectional Technologies | 104 | Expired |
| US4473660A | Catalysts for the polymerization of olefins | Chemistry; Metallurgy | 103 | Expired |
| US4522930A | Components and catalysts for the polymerization of olefins | Chemistry; Metallurgy | 101 | Expired |
| US4107413A | Process for the stereoregular polymerization of alpha olefins | Emerging Cross-Sectional Technologies | 91 | Expired |
| US4218339A | Catalyst components and catalysts for polymerizing olefins prepared from the catalysts | Emerging Cross-Sectional Technologies | 86 | Expired |
| US5539067A | Components and catalysts for the polymerization of olefins | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4179307A | Dish-washer consisting of an assembly of functional units made of thermoplastic material | Human Necessities | 68 | Expired |
| US4439540A | Catalysts and components of catalysts for polymerizing olefins | Chemistry; Metallurgy | 67 | Expired |
| US4244914A | Process for preparing gas-, vapor- and odor-proof coupled and coextruded multilayer articles of thermoplastic material and closed-surface bodies comprising the same | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4198328A | Flame-resisting intumescent paints | Emerging Cross-Sectional Technologies | 56 | Expired |
| US4315835A | Components of catalysts for polymerizing alpha-olefins and the catalysts formed from the components | Emerging Cross-Sectional Technologies | 53 | Expired |
| US4187196A | Process for the stereoregular polymerization of alpha-olefins | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4111835A | Catalysts for polymerizing olefins to spheroidal-form polymers | Chemistry; Metallurgy | 50 | Expired |
| US4226741A | Catalysts for polymerizing alpha-olefins and process for polymerizing alpha-olefins in contact with said catalysts | Chemistry; Metallurgy | 49 | Expired |
| US4294721A | Process for preparing components of catalysts for polymerizing alpha-olefins and mixtures thereof with ethylene | Chemistry; Metallurgy | 45 | Expired |
| US4076888A | Process for the preparation of metallic and/or metal-ceramic and/or ceramic sponges | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4241042A | Spherical titanium dioxide particles and process of manufacture | Chemistry; Metallurgy | 44 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.