Michael T. Sheehan
47Patents
7h-index
27Co-inventors
69Inventor score
Filing activity: Jun 24, 1988 → Oct 27, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5087772A | Method for preparing 4-hydroxystyrene | Chemistry; Metallurgy | 24 | Expired |
| US4880487A | Hot melt adhesives containing poly(p-hydroxystyrene) homopolymers and copolymers and bonding methods employing same | Chemistry; Metallurgy | 19 | Expired |
| US5300559A | Polyamines derived from THPB and processes for preparing the same | Chemistry; Metallurgy | 13 | Expired |
| US5239015A | Process for making low optical density polymers and copolymers for photoresists and optical applications | Chemistry; Metallurgy | 11 | Expired |
| US6414110B1 | Purification means | Chemistry; Metallurgy | 10 | Expired |
| US5438142A | Functionalized tris(hydroxyphenyl) compounds | Chemistry; Metallurgy | 8 | Expired |
| US5264528A | Process for the preparation of 4-hydroxystyrene polymers from 4-acetoxystyrene polymers | Chemistry; Metallurgy | 7 | Expired |
| US5625007A | Process for making low optical polymers and copolymers for photoresists and optical applications | Chemistry; Metallurgy | 6 | Expired |
| US7371800B2 | Derivatized novolak polyhydroxystyrene from hydroxyphenylmethylcarbinol | Emerging Cross-Sectional Technologies | 5 | Active |
| US5304610A | Amphoteric copolymer derived from vinylpyridine and acetoxystyrene | Physics | 5 | Expired |
| US6759483B2 | Preparation of homo-, co- and terpolymers of substituted styrenes | Chemistry; Metallurgy | 4 | Expired |
| US7312281B2 | Anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purity | Chemistry; Metallurgy | 4 | Expired |
| US5424387A | Di-amino compounds and processes for preparing the same | Chemistry; Metallurgy | 3 | Expired |
| US5347051A | Processes for preparing amines | Chemistry; Metallurgy | 3 | Expired |
| US6593431B2 | Purification means | Chemistry; Metallurgy | 3 | Expired |
| USRE34122E | Hot melt adhesives containing poly(p-hydroxystyrene) homopolymers and copolymers and bonding methods, employing same | General | 3 | Expired |
| US9169383B2 | Preparation, purification and use of high-X diblock copolymers | Physics | 3 | Active |
| US5256809A | Method for preparing a salt of 4-hydroxystyrene and for preparing 4-tertiary-butoxycarbonyloxystyrene therefrom | Chemistry; Metallurgy | 2 | Expired |
| US5346983A | Substituted phenyl compounds and processes for preparing the same | Chemistry; Metallurgy | 2 | Expired |
| US6787611B2 | Purification means | Chemistry; Metallurgy | 2 | Expired |
| US5241098A | Method for preparing a salt of 4-hydroxystyrene and for preparing 4-tertiary-butoxycarbonyloxystyrene therefrom | Chemistry; Metallurgy | 2 | Expired |
| US7566752B2 | Epoxy resins or polyisocyanates reacted with derivatized novolak polyhydroxystyrene | Emerging Cross-Sectional Technologies | 1 | Active |
| US5347049A | Processes for preparing diamino compounds | Chemistry; Metallurgy | 1 | Expired |
| US6864324B2 | Anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purity | Chemistry; Metallurgy | 1 | Expired |
| US5300589A | Substituted triphenyl compounds & processes for preparing the same | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.