Class C08G : MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
Subclass 2/36: Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances Chemical modification by after-treatment by depolymerisation
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9604956 | Process for the production of trioxane | Nov 23, 12 | Mar 28, 17 | CELANESE SALES GERMANY GMBH |
| 9574061 | Process for producing a cyclic acetal | Nov 23, 12 | Feb 21, 17 | CELANESE SALES GERMANY GMBH |
| 9546148 | Process for the production of trioxane from aqueous formaldehyde sources | Nov 23, 12 | Jan 17, 17 | CELANESE SALES GERMANY GMBH |
| 9499512 | Process for producing a cyclic acetal in a heterogeneous reaction system | Nov 23, 12 | Nov 22, 16 | CELANESE SALES GERMANY GMBH |
| 9469624 | Integrated process for producing cyclic acetals and oxymethylene polymers | Nov 23, 12 | Oct 18, 16 | CELANESE SALES GERMANY GMBH |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0151,180 | RECYCLING OF POLYACETAL FOR THE PRODUCTION OF POLYOXYMETHYLENE DIALKYL ETHERS | Apr 06, 21 | May 18, 23 | Not available |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
