Marlin E. Walters
21Patents
7h-index
14Co-inventors
66Inventor score
Filing activity: Apr 30, 1986 → Sep 25, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5463140A | Process for making polyphenols from ketones or aldehydes and phenols | Chemistry; Metallurgy | 26 | Expired |
| US6133190A | Supported mercaptosulfonic acid compounds useful as catalysts for phenolation reactions | Chemistry; Metallurgy | 22 | Expired |
| US5939494A | Polymeric substrate containing mercapto and sulfonic groups | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6776924B2 | Molecular melt and methods for making and using the molecular melt | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7141182B2 | Molecular melt and methods for making and using the molecular melt | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7399808B2 | Molecular melt and methods for making and using the molecular melt | Emerging Cross-Sectional Technologies | 8 | Active |
| US5387725A | Chlorination process, alkylation of products of said process and some products thereof | Chemistry; Metallurgy | 8 | Expired |
| US5545760A | Process for making fluorenones | Chemistry; Metallurgy | 4 | Expired |
| US4762909A | Method for making polyketones | Chemistry; Metallurgy | 3 | Expired |
| US4724267A | New haloacyl aromatic monomers via a coupling reaction | Chemistry; Metallurgy | 3 | Expired |
| US7326361B2 | Molecular melt and methods for making and using the molecular melt | Emerging Cross-Sectional Technologies | 3 | Active |
| US5288915A | Process of making ketones | Chemistry; Metallurgy | 3 | Expired |
| US6051658A | Polymeric substrate containing mercapto and sulfonic groups | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4992151A | Method for the selective alpha halogenation of alkylaromatic compounds | Chemistry; Metallurgy | 2 | Expired |
| US5136110A | Process for the preparation of bisphenols | Chemistry; Metallurgy | 2 | Expired |
| US5382710A | Aromatic polyhydroxy compounds and process for the preparation thereof | Chemistry; Metallurgy | 2 | Expired |
| US5227560A | Chlorination and elimination process and some products thereof | Chemistry; Metallurgy | 2 | Expired |
| US5098990A | Method for making polyesters, polyamides and polyketones | Chemistry; Metallurgy | 1 | Expired |
| US4731484A | Haloacetyl derivatives of aromatic compounds | Chemistry; Metallurgy | 1 | Expired |
| US5064518A | Method for the selective alpha halogenation of alkylaromatic compounds | Chemistry; Metallurgy | 0 | Expired |
| US5541282A | Aromatic polyhydroxy compounds and process for the preparation thereof | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.