Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10052853 | Durable polymeric panels and devices exhibiting antiballistic capacity made therefrom | Ralph J. Locke, Jason Darley, Paul R. Norris, Craig Halquist, Dwayne Starnes +1 more | 2018-08-21 |
| 9127739 | Multicomponent polymeric structure for addressing noise, vibration and harshness in structures | Ralph J. Locke | 2015-09-08 |
| 8468968 | Method and apparatus for lining pipes with isocyanate and hydroxyl-amine resin based on castrol or soy oil | Kent Weisenberg | 2013-06-25 |
| 8109231 | Imparted charge in situ pipelining device | Kent Weisenberg | 2012-02-07 |
| 7992514 | Imparted charge in situ pipelining device | Kent Weisenberg | 2011-08-09 |
| 6797789 | Phenolic/polyurea coating co-polymer compositions and process | Thomas E. Davis | 2004-09-28 |
| 6605684 | Method of preparing spray elastomer systems | Robert L. Zimmerman, Kenneth Hillman | 2003-08-12 |
| 6399736 | Method of preparing spray elastomer systems | Robert L. Zimmerman, Kenneth Hillman | 2002-06-04 |
| 6013755 | Method of preparing an aliphatic polyurea spray elastomer system | Robert L. Zimmerman, Kenneth Hillman | 2000-01-11 |
| 5962144 | Polyurea elastomer systems with improved adhesion to substrates | — | 1999-10-05 |
| 5962618 | Polyurea spray railcar lining systems | Kenneth C. Anglin | 1999-10-05 |
| 5759695 | Polyurea elastomer systems with improved adhesion to substrates | — | 1998-06-02 |
| 5731397 | Polyurea spray railcar lining systems | Kenneth C. Anglin | 1998-03-24 |
| 5616677 | Preparation of sprayable aliphatic polyurea elastomers having improved properties | Robert L. Zimmerman | 1997-04-01 |
| 5504181 | Aliphatic spray polyurea elastomers | — | 1996-04-02 |
| 5480955 | Aliphatic spray polyurea elastomers | — | 1996-01-02 |
| 5442034 | Spray polyurea elastomers containing organic carbonates to improve processing characteristics | — | 1995-08-15 |
| 5317076 | Polyurea elastomer with reduced moisture vapor transmission | — | 1994-05-31 |
| 5266671 | Spray polyurea elastomers with abrasion resistance | — | 1993-11-30 |
| 5218005 | Polyurea elastomers made using polyamine/carbonyl adducts as chain extenders | Robert L. Zimmerman | 1993-06-08 |
| 5189073 | Process for the production of expanded materials based on polyurea elastomers | Heiko Humbert, Werner Klockemann | 1993-02-23 |
| 5189075 | Polyurea elastomers made using polyoxyalkylene tetra-or higher functional amine chain extenders | Robert L. Zimmerman | 1993-02-23 |
| 5171819 | Alkyl substituted piperazines as chain extenders in polyurea elastomer systems | Wei-Yang Su, Donald H. Champion | 1992-12-15 |
| 5162388 | Aliphatic polyurea elastomers | — | 1992-11-10 |
| 5153232 | Foamed polyurea elastomer-rigid and close-celled | — | 1992-10-06 |