Pechiney Recherche
40Patents
0Active
40Granted
39Portfolio score
Filing activity: Sep 19, 1989 → Feb 15, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5882749A | Easy-opening reclosable package | Emerging Cross-Sectional Technologies | 102 | Expired |
| US5882789A | Packaging material for forming an easy-opening reclosable packaging material and package | Emerging Cross-Sectional Technologies | 102 | Expired |
| US5073207A | Process for obtaining magnesium alloys by spray deposition | Chemistry; Metallurgy | 76 | Expired |
| US5560789A | 7000 Alloy having high mechanical strength and a process for obtaining it | Chemistry; Metallurgy | 35 | Expired |
| US5449654A | Manufacture of silicon carbide foam from a polyurethane foam impregnated with resin containing silicon | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US5429780A | Manufacture of silicon carbide foam from a polyurethane foam impregnated with resin containing silicon | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US5427761A | Process for the production of metal carbides having a large specific surface under atmospheric pressure inert gas scavenging | Chemistry; Metallurgy | 26 | Expired |
| US5264162A | Process for manufacturing porous tubes of high permeability made from carbon-carbon composite material, and their application | Chemistry; Metallurgy | 23 | Expired |
| US5387280A | Ceramic core for investment casting and method for preparation of the same | Performing Operations; Transporting | 15 | Expired |
| US6217841A | Process for the preparation of metal carbides having a large specific surface from activated carbon foams | Chemistry; Metallurgy | 15 | Expired |
| US5025219A | Apparatus and method continuous measurement of the electrical conductivity of liquid media in a dynamic cell | Physics | 13 | Expired |
| US5139987A | Process for activating the surface of carbides of heavy metals with a large specific surface for catalytic reactions | Performing Operations; Transporting | 13 | Expired |
| US5110372A | Method of obtaining an aluminum based alloy with high Young's modulus and high mechanical strength | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5420084A | Coatings for protecting materials against reactions with atmosphere at high temperatures | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5347426A | Electronic device including a passive electronic component | Electricity | 13 | Expired |
| US5047092A | Aluminium based alloy with a high Young's modulus and high mechanical, strength | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5032244A | Anodic treatment apparatus for aluminium alloy pistons | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5576466A | Process for the isomerisation of straight hydrocarbons containing at least 7 carbon atoms using catalysts with a base of molybdenum oxycarbide | Chemistry; Metallurgy | 10 | Expired |
| US5468370A | Preparation of a catalyst from metal oxides by reduction and partial carburization by reaction gases | Chemistry; Metallurgy | 10 | Expired |
| US5460759A | Method of obtaining porous solids based on refractory carbide | Chemistry; Metallurgy | 10 | Expired |
| US5435899A | Method, device and apparatus for the surface treatment of metal can bodies, in particular of Al or alloys thereof | Chemistry; Metallurgy | 9 | Expired |
| US5211822A | Process for the production of a semipermeable membrane on a porous conductive support by electrophoresis | Performing Operations; Transporting | 9 | Expired |
| US6251819A | Silicon carbide foam with high specific surface area and improved mechanical properties | Chemistry; Metallurgy | 9 | Expired |
| US5195578A | Method of and an apparatus for trickling film heat exchange | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5377742A | Process for obtaining bimaterial parts by casting an alloy around an insert coated with a metal film | Performing Operations; Transporting | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.