Coufal; Gerhard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Coufal; Gerhard.The latest application filed is for "solid particles, method and device for the production thereof".
- Coufal; Gerhard - Leonding AT
- Coufal; Gerhard - Linz AT
| Patent | Date |
|---|---|
| Solid particles, method and device for the production thereof App 20090035579 - Coufal; Gerhard ; et al. | 2009-02-05 |
| Process for purifying off-gases of a melamine plant Grant 7,311,759 - Schroder , et al. December 25, 2 | 2007-12-25 |
| Method for purifying a melamine melt Grant 7,041,822 - Coufal May 9, 2 | 2006-05-09 |
| Process for the production of melamine Grant 7,022,848 - Bucka , et al. April 4, 2 | 2006-04-04 |
| Method for purifying a melamine melt App 20050119483 - Coufal, Gerhard | 2005-06-02 |
| Process for purifying melamine-containing ammonia Grant 6,870,051 - Coufal March 22, 2 | 2005-03-22 |
| Method for the production of melamine Grant 6,870,050 - Coufal , et al. March 22, 2 | 2005-03-22 |
| Method for purifying off-gases from a melamine-producing installation App 20050056147 - Schroder, Frank ; et al. | 2005-03-17 |
| Process for the production of melamine App 20050038244 - Bucka, Hartmut ; et al. | 2005-02-17 |
| Method for producing melamine Grant 6,815,545 - Bucka , et al. November 9, 2 | 2004-11-09 |
| Method for producing pure melamine Grant 6,790,956 - Coufal September 14, 2 | 2004-09-14 |
| Method for purifying by-product gases from a melamine manufacturing installation App 20040073027 - Coufal, Gerhard ; et al. | 2004-04-15 |
| Method for the purification of melamine-containing ammonia App 20040054176 - Coufal, Gerhard | 2004-03-18 |
| Method for producing melamine App 20040054175 - Bucka, Hartmut ; et al. | 2004-03-18 |
| Method for the production of melamine App 20040049034 - Coufal, Gerhard ; et al. | 2004-03-11 |
| Process for preparing solid melamine Grant 6,603,001 - Coufal August 5, 2 | 2003-08-05 |
| Process for the preparation of pure melamine App 20020028935 - Canzi, Lorenzo ; et al. | 2002-03-07 |
| Process for cooling melamine App 20010005751 - Coufal, Gerhard | 2001-06-28 |
| Melamine preparation and stable dispersion of melamine in polyether polyols Grant 5,087,384 - Horacek , et al. February 11, 1 | 1992-02-11 |
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