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Patent applications and USPTO patent grants for Ehret; Philippe.The latest application filed is for "nonwoven based on polymers derived from lactic acid, process for manufacture and use of such a nonwoven".
Patent | Date |
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Nonwoven based on polymers derived from lactic acid, process for manufacture and use of such a nonwoven Grant 5,985,776 - Bertrand , et al. November 16, 1 | 1999-11-16 |
Nonwoven hydrophilic based on polylactides Grant 5,910,368 - Ehret June 8, 1 | 1999-06-08 |
Cloth-like totally biodegradable and/or compostable composites and method of manufacture Grant 5,851,937 - Wu , et al. December 22, 1 | 1998-12-22 |
Process for making a nonwoven web derived from lactic acid, web produced thereby, and apparatus therefor Grant 5,833,787 - Ehret , et al. November 10, 1 | 1998-11-10 |
Reservoir system for prolonged diffusion of an active principle Grant 5,830,546 - Ehret , et al. November 3, 1 | 1998-11-03 |
Nonwoven/film biodegradable composite structure Grant 5,783,504 - Ehret , et al. July 21, 1 | 1998-07-21 |
Laminated nonwoven webs derived from polymers of lactic acid and process for producing Grant 5,702,826 - Ehret , et al. December 30, 1 | 1997-12-30 |
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