Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642423 | Polymerization of ethylene oxide using metal cyanide catalysts | Katherine S. Clement, Richard M. Wehmeyer, Robert H. Whitmarsh, David C. Molzahn, William P. Dianis +3 more | 2003-11-04 |
| 6613849 | Epoxy (urethane) (Meth)acrylate from hydroxyaliphatic bisphenol epoxy resin | Robert E. Hefner, Jr., Katherine S. Clement | 2003-09-02 |
| 6552163 | Method for fractioning poly (ethylene oxide) formed using a metallic cyanide catalyst | Katherine S. Clement | 2003-04-22 |
| 6429342 | Polymerization of ethylene oxide using metal cyanide catalysts | Katherine S. Clement, Richard M. Wehmeyer, Robert H. Whitmarsh, David C. Molzahn, William P. Dianis +1 more | 2002-08-06 |
| 6365788 | Preparation of 1,2-bis(4-hydroxyphenyl)-2-hydroxypropanes | Robert E. Hefner, Jr., Katherine S. Clement, Lance Black | 2002-04-02 |
| 6355845 | Polymerization of alkylene oxides using metal cyanide catalysts and unsaturated initiator compounds | Katherine S. Clement, Richard M. Wehmeyer, Wanda Wells Rauscher, Robert H. Whitmarsh | 2002-03-12 |
| 6353079 | Epoxy resin and epoxy di (meth)acrylate from hydroxyaliphatic bisphenol | Robert E. Hefner, Jr., Katherine S. Clement | 2002-03-05 |
| 5873981 | Recovery of anhydrous acids | Son T. Nguyen, Katherine S. Clement | 1999-02-23 |
| 5723692 | Preparation of 4,4'-dihydroxy-'alkylstiblbene with reduced dimer formation | Katherine S. Clement, Robert E. Hefner, Jr., Emmett L. Tasset | 1998-03-03 |
| 5510431 | Cure controlled catalyzed mixtures of epoxy resins and curing agents containing mesogenic moieties | Jimmy D. Earls, Robert E. Hefner, Jr., James L. Bertram | 1996-04-23 |
| 5503937 | Curable composition which comprises adducts of heterocyclic compounds | James L. Bertram, John W. Muskopf | 1996-04-02 |
| 5458929 | Cure controlled catalyzed mixtures of epoxy resins and curing agents containing mesogenic moieties, B-staged and cured products therefrom | Jimmy D. Earls, Robert E. Hefner, Jr., James L. Bertram, William A. Clay | 1995-10-17 |
| 5169473 | Latent catalysts, epoxy compositions incorporating same, and coating, impregnating and bonding methods employing the compositions | James L. Bertram, Charlie Hotz | 1992-12-08 |
| 5151496 | Substituted phenol-formaldehyde novolac resins containing reduced quantities of 2-functional components and epoxy novolac resins prepared therefrom | James L. Bertram, Avis Lloyd McCrary, Fermin M. Cortez | 1992-09-29 |
| 5140079 | Latent, curable, catalyzed mixtures of epoxy-containing and phenolic-hydroxyl-containing compounds containing compounds or complexes formed from contacting organic phosphines or arsines with weak nucleophilic acids | John W. Muskopf, James L. Bertram | 1992-08-18 |
| 5134239 | Latent catalysts for epoxy-phenolic reactions | James L. Bertram, John W. Muskopf | 1992-07-28 |
| 5106923 | Substituted phenol-formaldehyde novolac resins containing reduced quantities of 2-functional components and epoxy novolac resins prepared therefrom | James L. Bertram, Avis Lloyd McCrary, Fermin M. Cortez | 1992-04-21 |
| 5079314 | Curable compositions containing epoxidized phenolformaldehyde resins containing reduced quantities of 2-functional components | James L. Bertram, Avis Lloyd McCrary, Fermin M. Cortez | 1992-01-07 |
| 5066735 | Curable composition containing a difunctional epoxy resin, a polyfunctional epoxy resin, a difunctional phenol and a polyfunctional phenol | Paul A. Larson | 1991-11-19 |
| 4965324 | Substituted phenol-formaldehyde novolac resins containing reduced quantities of 2-functional components and epoxy novolac resins prepared therefrom | James L. Bertram, Avis Lloyd McCrary, Fermin M. Cortez | 1990-10-23 |
| 4959425 | Laminating varnish composition containing a difunctional epoxy resin, a polyfunctional epoxy resin, a difunctional phenol and a polyfunctional phenol and a solvent | Paul A. Larson | 1990-09-25 |
| 4946817 | Latent catalysts for epoxy-containing compounds | James L. Bertram, Van I. W. Stuart | 1990-08-07 |
| 4925901 | Latent, curable, catalyzed mixtures of epoxy-containing and phenolic hydroxyl-containing compounds | James L. Bertram, John W. Muskopf | 1990-05-15 |
| 4895755 | Halogenated advanced epoxy resins | Jody R. Berman, Chun-Shan Wang, Abel Mendoza | 1990-01-23 |
| 4868059 | Curable composition containing a difunctional epoxy resin, a polyfunctional epoxy resin, a difunctional phenol and a polyfunctional phenol | Paul A. Larson | 1989-09-19 |