Helmut Tesch
19Patents
11h-index
38Co-inventors
68Inventor score
Filing activity: Jul 31, 1984 → Mar 18, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5605745A | Toughened thermosetting structural materials | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5627222A | Toughened, fiber-reinforced thermosetting resin matrix prepregs and composites made therefrom | Chemistry; Metallurgy | 22 | Expired |
| US4607069A | Curable compositions based on epoxy resins | Chemistry; Metallurgy | 20 | Expired |
| US5498747A | Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis (1-methyl-1-isocyanatoethyl)benzene, their preparation, and their use as hydrolysis stabilizers | Chemistry; Metallurgy | 19 | Expired |
| US5597942A | Carbodiimides and/or oligomeric polycarbodiimides based on 1 3-bis (1-methyl-1-isocyanatoethyl) benzene their use as hydrolysis stabilizers | Chemistry; Metallurgy | 17 | Expired |
| US5504241A | Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis(1-methyl-1-isocyanatoethyl)benzene, their preparation, and their use as hydrolysis stabilizers | Chemistry; Metallurgy | 17 | Expired |
| US4665150A | Epoxy resin mixtures | Chemistry; Metallurgy | 15 | Expired |
| US5242748A | Toughened thermosetting structural materials | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4743661A | Poly (phenylene ethers) and their preparation | Chemistry; Metallurgy | 12 | Expired |
| US5532296A | Bismaleimide resin systems toughened by addition of preformed functionalized low T.sub.g elastomer particles | Chemistry; Metallurgy | 11 | Expired |
| US4734444A | Curable mixtures containing N-sulfonylaminosulfonium salts as cationically active catalysts | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5026789A | Curable impact modified epoxy resin having stabilized multiphase morphology | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5872278A | Preparation of isocyanates having a light color | Chemistry; Metallurgy | 8 | Expired |
| US4559398A | Curable epoxy resins | Chemistry; Metallurgy | 8 | Expired |
| US4996267A | Heat-curable resin mixture of monocyanate, polycyanate and reactive thermoplastic | Chemistry; Metallurgy | 8 | Expired |
| US5654479A | 4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their preparation, their use, and 4-substituted 2,6-diisopropylphenyl isocyanates which can be used for their preparation | Emerging Cross-Sectional Technologies | 4 | Expired |
| USRE32628E | Curable compositions based on epoxy resins | General | 2 | Expired |
| US5532414A | 4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their preparation, their use, and 4-substituted 2,6-diisopropylphenyl isocyanates which can be used for their preparation | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5621138A | 4-substituted bis (2,6-diisopropylphenyl)- carbodiimides, their preparation, their use, and 4-substituted 2,6-diisopropylphenyl isocyanates which can be used for their preparation | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.