Woodruff; David Winfield
Patent Applications and Registrations
Patent applications and USPTO patent grants for Woodruff; David Winfield.The latest application filed is for "method for preparing sodium chloro-aluminate".
- Woodruff; David Winfield - Saratoga Springs NY
- Woodruff; David Winfield - Clifton Park NY
| Patent | Date |
|---|---|
| Method For Preparing Sodium Chloro-aluminate App 20170050860 - Stella; Albert Santo ; et al. | 2017-02-23 |
| Method for preparing sodium chloro-aluminate Grant 9,567,232 - Stella , et al. February 14, 2 | 2017-02-14 |
| Method to prepare bis(haloimides) Grant 8,592,548 - Gui , et al. November 26, 2 | 2013-11-26 |
| Method for preparation of salts of hydroxy-substituted aromatic compounds Grant 7,902,407 - Silva , et al. March 8, 2 | 2011-03-08 |
| Method of forming a dry quaternary ammonium salt mixture Grant 7,772,435 - Guggenheim , et al. August 10, 2 | 2010-08-10 |
| Phase transfer catalyzed method for preparation of polyetherimides Grant 7,714,095 - Brunelle , et al. May 11, 2 | 2010-05-11 |
| Method Of Forming A Dry Quaternary Ammonium Salt Mixture App 20080161576 - Guggenheim; Thomas Link ; et al. | 2008-07-03 |
| Method of purifying dianhydrides App 20060293528 - Stella; Albert Santo ; et al. | 2006-12-28 |
| Method for producing polyether polymers Grant 7,125,954 - Guggenheim , et al. October 24, 2 | 2006-10-24 |
| Method for preparation of salts of hydroxy-substituted aromatic compounds App 20060224024 - Silva; James Manio ; et al. | 2006-10-05 |
| 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 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 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 |
| Coating composition for metal-based substrates, and related processes Grant 5,985,368 - Sangeeta , et al. November 16, 1 | 1999-11-16 |
| Coating composition for metal-based substrates, and related processes Grant 5,759,932 - Sangeeta , et al. June 2, 1 | 1998-06-02 |
| Solventless method for making polyarylene ethers Grant 5,693,742 - White , et al. December 2, 1 | 1997-12-02 |
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