Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248740 | Blends of mesogenic polythiiranes and epoxy resins | Robert E. Hefner, Jr. | 1993-09-28 |
| 5248360 | Process for preparing composites based on oriented mesogenic thermoset resins | Robert E. Jones, Robert E. Hefner, Jr. | 1993-09-28 |
| 5248757 | Mesogenic cyanate functional maleimides and thermosets thereof | Robert E. Hefner, Jr. | 1993-09-28 |
| 5235008 | Polymer modified adducts of epoxy resins and active hydrogen containing compounds containing mesogenic moieties | Robert E. Hefner, Jr. | 1993-08-10 |
| 5227452 | Curable mixtures of mesogenic epoxy resins and mesogenic polyamines and cured compositions | Robert E. Hefner, Jr., Paul M. Puckett | 1993-07-13 |
| 5218062 | Curable mixtures of mesogenic epoxy resins and mesogenic polyamines and cured compositions | Robert E. Hefner, Jr., Paul M. Puckett | 1993-06-08 |
| 5206321 | Polycyanates containing mesogenic moieties as lateral substituents | Robert E. Hefner, Jr. | 1993-04-27 |
| 5182340 | Blends of mesogenic polythiiranes, epoxy resin and curing agent | Robert E. Hefner, Jr. | 1993-01-26 |
| 5164464 | Vinyl ester resins containing mesogenic/rigid rodlike moieties | Robert E. Hefner, Jr., Paul M. Puckett | 1992-11-17 |
| 5077380 | Mesogenic cyanate functional maleimides and thermosets thereof | Robert E. Hefner, Jr. | 1991-12-31 |
| 5066750 | Vinyl ester resins containing mesogenic/rigid rodlike moieties | Robert E. Hefner, Jr., Paul M. Puckett | 1991-11-19 |
| 4962163 | Vinyl ester resins containing mesogenic/rigid rodlike moieties | Robert E. Hefner, Jr., Paul M. Puckett | 1990-10-09 |
| 4883844 | Substituted styrylaza epoxy resins | Robert E. Hefner, Jr., John W. Robinson | 1989-11-28 |
| 4684693 | Thermosettable polymer or prepolymer prepared from heterocyclic materials containing a nitrogen atom and carboxylic acid mono- or dianhydride with N,N'-bis-imide | Loren L. Swearingen, Randy J. LaTulip | 1987-08-04 |
| 4668767 | Thermosettable polymer or prepolymer prepared from heterocyclic material containing a nitrogen atom and carboxylic acid mono- or dianhydride | Loren L. Swearingen, Randy J. LaTulip | 1987-05-26 |
| 4647616 | Thermosettable polymer or prepolymer prepared from herterocycle material containing a nitrogen atom and carboxylic acid mono- or dianhydride | Loren L. Swearingen, Randy J. LaTulip | 1987-03-03 |