Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371353 | Elimination of formaldehyde in wastewater through oxidation treatment | Gullu Isik | 2025-07-29 |
| 10961179 | Process for producing polymer-grade (meth)acrylic acid | Sandeep Jain | 2021-03-30 |
| 10815182 | Process for purifying (meth)acrylic acid including a dividing-wall distillation column | Serge Tretjak | 2020-10-27 |
| 10407371 | Method for producing acrolein and/or acrylic acid from glycerol | Jean-Francois Devaux, Nabil Tlili | 2019-09-10 |
| 10239816 | Process for producing (meth)acrylic acid | Sandeep Jain, Christian Lacroix | 2019-03-26 |
| 10029975 | Method for the production of bio-sourced acrylic acid | Jean-Francois Devaux, Sandeep Jain, Stephen Tlatlik | 2018-07-24 |
| 9796651 | Method for continuous production of light acrylates by esterification of a raw ester-grade acrylic acid | Roger L. Roundy, Stephane Denis, Samuel Daniel | 2017-10-24 |
| 9527791 | Method for producing acrolein and/or acrylic acid from glycerol | Jean-Francois Devaux, Nabil Tlili | 2016-12-27 |
| 9371261 | Method for producing bioresourced acrylic acid from glycerol | — | 2016-06-21 |
| 8748545 | Process for producing bio-resourced polymer-grade acrylic acid from glycerol | Jean-Francois Devaux, Denis Laurent | 2014-06-10 |
| 8609904 | Process for manufacturing acrolein and/or acrylic acid from glycerol | Jean-Francois Devaux, Nabil Tlili, Philippe Haller, Jean-Paul Combet | 2013-12-17 |
| 7622607 | Method for purifying (meth)acrylic acid obtained by oxidizing a gaseous substrate | Denis Laurent | 2009-11-24 |
| 7253313 | Method for purifying (meth)acrylic acid by oxidising a gaseous substrate | Jean-Marie Destenay | 2007-08-07 |
| 7029556 | Method for purifying (meth)acrylic monomers by distillation | Stephane Lepizzera | 2006-04-18 |
| 6995282 | Method for purifying acrylic acid obtained by oxidation of propylene and/or acrolein | Denis Laurent, Mireille Stojanovic | 2006-02-07 |
| 6603036 | Process for the manufacture of 2-ethylhexyl acrylate | Jacqueline Bessalem, Stephane Lepizzera | 2003-08-05 |
| 6352619 | Method for purifying acrylic acid | Francis Augustin, Marc Esch | 2002-03-05 |
| 6281386 | Purification of acrylic acid obtained by catalytic oxidation of propylene | Marc Esch, Denis Laurent | 2001-08-28 |
| 5734075 | Process for recovery of the light noble products present in the distillation residues from the processes for the manufacture of acrylic acid and of its esters | Norbert Richard, Patrick Delafin | 1998-03-31 |
| 5705688 | Process for the purification of acrylic acid obtained by catalytic oxidation of propylene | Marc Esch, Yves Samuel, Denis Laurent | 1998-01-06 |
| 5659072 | Process for the manufacture of alkyl acrylates by direct esterification | Jacqueline Bessalem, Christian Lacroix, Nathalie Hess | 1997-08-19 |
| 5606102 | Process for the manufacture of butyl acrylate by direct esterification | Christian Lacroix, Nathalie Hess, Jacqueline Bessalem | 1997-02-25 |
| 5510514 | Process for the production of alkyl (meth)acrylates by direct esterification | Norbert Richard, Marc Esch, Nadine Colin | 1996-04-23 |
| 4962232 | Catalyst system and catalytic alkane carbonylation process | Serge Y. Delavarenne, Michel Simon, Jean Sommer | 1990-10-09 |
| 4840750 | Catalytic process for the manufacture of acid fluoride | Serge Y. Delavarenne, Michel Simon, Jean Sommer | 1989-06-20 |