Pemeas GmbH
6Patents
0Active
6Granted
26Portfolio score
Filing activity: Mar 1, 2000 → Jul 25, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7235320B2 | Proton-conducting membrane and use thereof | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7229553B2 | Method for producing a membrane made of bridged polymer and a fuel cell | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6998464B2 | Method for producing a solution consisting of a polymer containing recurrent azole units, solutions produced according to said method and use of the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6994788B1 | Sulfonated aromatic polymers, membrane containing said polymers and a method for production and use of the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7846982B2 | Proton conducting electrolyte membrane having reduced methanol permeability and the use thereof in fuel cells | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7244811B2 | Method for the treatment of polyazole films | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.