Patent application number | Description | Published |
20110263791 | CHLORO-SUBSTITUTED POLYETHERIMIDES HAVING IMPROVED RELATIVE THERMAL INDEX - A polyetherimide having an OH content that is greater than 0 and equal or less than 100 ppm; a Relative Thermal Index that is greater than or equal to 170° C.; and a chlorine content that is greater than 0 ppm is disclosed herein. A method for preparing the polyetherimide is also disclosed. | 10-27-2011 |
20130108851 | POLYETHERIMIDES, METHODS OF MANUFACTURE, AND ARTICLES FORMED THEREFROM | 05-02-2013 |
20130108852 | POLYETHERIMIDES, METHODS OF MANUFACTURE, AND ARTICLES FORMED THEREFROM | 05-02-2013 |
20130303698 | CHLORO-SUBSTITUTED POLYETHERIMIDES HAVING IMPROVED RELATIVE THERMAL INDEX - A polyetherimide having an OH content that is greater than 0 and equal or less than 100 ppm; and a chlorine content that is greater than 0 ppm is disclosed herein. A method for preparing the polyetherimide is also disclosed. | 11-14-2013 |
20150073116 | POLYETHERIMIDES, METHODS OF MANUFACTURE, AND ARTICLES FORMED THEREFROM - A polyetherimide manufactured by reaction of an alkali metal salt of a dihydroxy aromatic compound of the formula | 03-12-2015 |
20150079376 | POLYETHERIMIDES, METHODS OF MANUFACTURE, AND ARTICLES FORMED THEREFROM - A polyetherimide composition comprising a polyetherimide manufactured by reaction of an alkali metal salt of a dihydroxy aromatic compound with a bis(halophthalimide) composition comprising, based on the weight of the bis(halophthalimide) composition, at least 15 wt. % of a 3,3′-bis(halophthalimide) of the formula | 03-19-2015 |
20150079377 | POLYETHERIMIDES, METHODS OF MANUFACTURE, AND ARTICLES FORMED THEREFROM - A polyetherimide manufactured by reaction of an alkali metal salt of a dihydroxy aromatic compound with a bis(halophthalimide) composition comprising, based on the weight of the bis(halophthalimide) composition, from more than 45 to less than 75 weight percent of a 3,3′-bis(halophthalimide), less than 10 weight percent of a 3,4′-bis(halophthalimide), and from more than 45 to less than 75 weight percent of a (4,4′-bis(halophthalimide. | 03-19-2015 |
20150080489 | POLYETHERIMIDES, METHODS OF MANUFACTURE, AND ARTICLES FORMED THEREFROM - A polyetherimide composition comprising a polyetherimide manufactured by reaction of an alkali metal salt of a dihydroxy aromatic compound with a bis(halophthalimide) composition comprising, based on the weight of the bis(halophthalimide) composition, at least 15 wt. % of a 3,3′-bis(halophthalimide) of the formula | 03-19-2015 |