Johnson; Norman Enoch
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Norman Enoch.The latest application filed is for "method for isolation of a dianhydride and dianhydrides prepared by the method".
- Johnson; Norman Enoch - Barrington RI
- Johnson; Norman Enoch - Mt. Vernon IN US
- Johnson; Norman Enoch - Mount Vernon IN
| Patent | Date |
|---|---|
| Method for isolation of a dianhydride and dianhydrides prepared by the method Grant 10,407,397 - Royer , et al. Sept | 2019-09-10 |
| Method For Isolation Of A Dianhydride And Dianhydrides Prepared By The Method App 20190119240 - Royer; Aaron ; et al. | 2019-04-25 |
| Method to prepare bis(haloimides) Grant 8,592,548 - Gui , et al. November 26, 2 | 2013-11-26 |
| Phase transfer catalyzed method for preparation of polyetherimides Grant 7,714,095 - Brunelle , et al. May 11, 2 | 2010-05-11 |
| Method for producing polyether polymers Grant 7,125,954 - Guggenheim , et al. October 24, 2 | 2006-10-24 |
| Method of separating a polymer from a solvent Grant 7,122,619 - Silvi , et al. October 17, 2 | 2006-10-17 |
| Method for making salts hydroxy-substituted hydrocarbons Grant 7,115,785 - Guggenheim , et al. October 3, 2 | 2006-10-03 |
| Phase transfer catalyzed method for preparation of polyetherimides App 20060173158 - Brunelle; Daniel Joseph ; et al. | 2006-08-03 |
| Method for producing polyether polymers App 20060167210 - Guggenheim; Thomas Link ; et al. | 2006-07-27 |
| Method to prepare bis(haloimides) App 20060135741 - Gui; John Yupeng ; et al. | 2006-06-22 |
| Method of separating a polymer from a solvent App 20060089487 - Silvi; Norberto ; et al. | 2006-04-27 |
| Method of separating a polymer from a solvent App 20050234219 - Silvi, Norberto ; et al. | 2005-10-20 |
| Method of separating a polymer from a solvent App 20050234218 - Silvi, Norberto ; et al. | 2005-10-20 |
| Method of separating a polymer from a solvent Grant 6,949,622 - Silvi , et al. September 27, 2 | 2005-09-27 |
| Method for making salts hydroxy-substituted hydrocarbons App 20050049439 - Guggenheim, Thomas Link ; et al. | 2005-03-03 |
| Phase transfer catalyzed method for preparation of polyetherimides App 20050049390 - Brunelle, Daniel Joseph ; et al. | 2005-03-03 |
| Method Of Separating A Polymer From A Solvent App 20050049393 - Silvi, Norberto ; et al. | 2005-03-03 |
| Method for purification of aromatic polyethers Grant 6,790,934 - Johnson , et al. September 14, 2 | 2004-09-14 |
| Method for purification of aromatic polyethers Grant 6,630,568 - Johnson , et al. October 7, 2 | 2003-10-07 |
| Method for purification of aromatic polyethers App 20020151675 - Johnson, Norman Enoch ; et al. | 2002-10-17 |
| Process for recovering sodium nitrite Grant 6,251,354 - Greenwell , et al. June 26, 2 | 2001-06-26 |
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