John Schmidhauser
25Patents
8h-index
25Co-inventors
75Inventor score
Filing activity: May 9, 1990 → Nov 1, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5830974A | Method for preparing aromatic polyether polymers | Chemistry; Metallurgy | 53 | Expired |
| US6831136B2 | Amino-terminated polybutadienes | Chemistry; Metallurgy | 30 | Expired |
| US5856421A | Polyetherimide preparation method including addition of macrocyclic polyetherimide oligomers | Chemistry; Metallurgy | 19 | Expired |
| US5663275A | Preparation of polyether polymers using bisphenol hydrate as intermediate | Chemistry; Metallurgy | 19 | Expired |
| US7122610B2 | Method of producing thermoplastic fluoropolymers using alkyl sulfonate surfactants | Chemistry; Metallurgy | 16 | Expired |
| US6232405A | SMA resin amic acids | Chemistry; Metallurgy | 11 | Expired |
| US6077977A | Method for preparing hydroperoxides by oxygenation | Chemistry; Metallurgy | 9 | Expired |
| US7078464B2 | Acid salts of amine-functionalized SMA imide resins | Chemistry; Metallurgy | 9 | Expired |
| US5281689A | Polycarbonate from bis[4'-(4-hydroxyphenyl)-phenyl]alkanes | Chemistry; Metallurgy | 7 | Expired |
| US6747097B2 | Hydroxyl-terminated polybutadienes and curing formulations | Chemistry; Metallurgy | 6 | Expired |
| US5480959A | Substantially pure bisphenols and polymers comprising bisphenols | Chemistry; Metallurgy | 6 | Expired |
| US5412048A | Process for producing cross-linked monodispersed polymeric particles | Chemistry; Metallurgy | 5 | Expired |
| US5051490A | Thermoplastic polyarylate compositions having improved oxygen barrier properties | Chemistry; Metallurgy | 4 | Expired |
| US6864321B2 | Hydroxyl-terminated polybutadienes and their use in curing formulations | Chemistry; Metallurgy | 4 | Expired |
| US5281688A | Polycarbonate from 1,3-bis(4-hydroxyphenyl)-1,3-dialkylcyclohexanes | Chemistry; Metallurgy | 2 | Expired |
| US6855776B2 | Amino-terminated polybutadienes | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5110897A | Thermoplastic polycarbonate composition having improved oxygen barrier properties from diester diol | Chemistry; Metallurgy | 1 | Expired |
| US5319149A | Bis[4'-(4-hydroxyphenyl)-phenyl]alkanes and polycarbonates prepared therefrom | Chemistry; Metallurgy | 1 | Expired |
| US5312918A | Method for preparing substituted nitrogen-heterocyclic compounds | Chemistry; Metallurgy | 1 | Expired |
| US9457315B2 | Fluoropolymer gas separation films | Emerging Cross-Sectional Technologies | 0 | Active |
| USRE35059E | Bis(4-hydroxyphenyl)cycloalkanes | General | 0 | Expired |
| US5300622A | Polycarbonate from heterocyclic bis(4-hydroxyphenyl)cycloalkane | Chemistry; Metallurgy | 0 | Expired |
| US5344999A | 1,3-bis(4-hydroxyphenyl)-1,3-dialkylcyclohexanes and polycarbonates prepared therefrom | Chemistry; Metallurgy | 0 | Expired |
| US5306832A | Heterocyclic bis(4-hydroxyphenyl(cycloalkanes and polycarbonates prepared therefrom | Chemistry; Metallurgy | 0 | Expired |
| US11133562B2 | Integrated electrode separator assemblies for lithium ion batteries | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.