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公开(公告)号：US11078212B2
公开(公告)日：2021-08-03
申请号：US16428082
申请日：2019-05-31
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Lohith Kenchaiah , Vijayakumar Venkatesh Sugur , Rashmi R. Deshpande , Hariharan Ramalingam , James Alan Mahood
IPC: C07D491/107 , C08G64/30
Abstract: A purified 2-hydrocarbyl-3-(dihydroxyfluoresceinyl)phthalimidine compound of formula (I): wherein R is a C1-25 hydrocarbyl; each occurrence of R2 and R3 is independently a halogen or a C1-25 hydrocarbyl; p is 0 to 4; and each q is independently 0 to 3; and wherein the purified 2-hydrocarbyl-3-(dihydroxyfluoresceinyl)phthalimidine compound of formula (I) has a purity of greater than 99.4%, as determined by high performance liquid chromatography.
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2.发明申请公开(公告)号：US20190338072A1
公开(公告)日：2019-11-07
申请号：US16392871
申请日：2019-04-24
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Lohith Kenchaiah , Rajesh Chowdhury , Gurunath Pozhal Vengu , Gaurav Mediratta , Ranjith Choorikkat
Abstract: A functional phenylene ether oligomer of the structure wherein Q1, Q2, Q3, Q4, x, y, and R are as defined herein. A curable composition includes the functional phenylene ether oligomer, and a thermoset composition includes a cured product derived from the curable composition.
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3.发明授权公开(公告)号：US11078329B2
公开(公告)日：2021-08-03
申请号：US16392871
申请日：2019-04-24
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Lohith Kenchaiah , Rajesh Chowdhury , Gurunath Pozhal Vengu , Gaurav Mediratta , Ranjith Choorikkat
Abstract: A functional phenylene ether oligomer of the structure wherein Q1, Q2, Q3, Q4, x, y, and R are as defined herein. A curable composition includes the functional phenylene ether oligomer, and a thermoset composition includes a cured product derived from the curable composition.
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4.发明申请公开(公告)号：US20200002349A1
公开(公告)日：2020-01-02
申请号：US16428082
申请日：2019-05-31
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Lohith Kenchaiah , Vijayakumar Venkatesh Sugur , Rashmi R. Deshpande , Hariharan Ramalingam , James Alan Mahood
IPC: C07D491/107 , C08G64/30
Abstract: A purified 2-hydrocarbyl-3-(dihydroxyfluoresceinyl)phthalimidine compound of formula (I): wherein R is a C1-25 hydrocarbyl; each occurrence of R2 and R3 is independently a halogen or a C1-25 hydrocarbyl; p is 0 to 4; and each q is independently 0 to 3; and wherein the purified 2-hydrocarbyl-3-(dihydroxyfluoresceinyl)phthalimidine compound of formula (I) has a purity of greater than 99.4%, as determined by high performance liquid chromatography.
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