Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7314954 | System and method for recovering PTA mother liquid and purifying and regenerating of catalyst A system and a method for recovering PTA (purified terephthalic acid) mother liquid as well as purifying and regenerating catalyst, the system and the method is used mainly in manufacturing PTA wherein the mother liquid of the PTA generated by hydrogenation reaction... | 01/01/2008 |
| 7285677 | System and method for recovering CTA residues and purifying/regenerating catalyst A system/method for recovering CTA (crude terephthalic acid) residues and purifying and regenerating catalyst, being used for recovering residues generated in the reaction processes of oxidation in manufacturing PTA (purified terephthalic acid) as well as purifying ... | 10/23/2007 |
