公开(公告)号：US10526449B2

公开(公告)日：2020-01-07

申请号：US15553752

申请日：2016-02-26

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Thomas Guggenheim ,  Jose Roman Galdamez ,  Javier Nieves Remacha ,  Juan J. Rodriguez Ordonez ,  Maria Patricia Forcen Jimenez ,  Hareesh Shamrao Deshpande ,  Surya Prakasa Rao Daliparthi ,  Sunil S. Dhumal ,  Sivakumar Periyasamy ,  Srinivas Mahesh Kumar ,  Siva Kumar Sreeramagiri ,  Bernabe Quevedo Sanchez

IPC: C08G73/10

Abstract: A polyetherimide of improved color and processes for preparing the polyetherimide are disclosed.

公开(公告)号：US11505652B2

公开(公告)日：2022-11-22

申请号：US16686520

申请日：2019-11-18

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Thomas Guggenheim ,  Jose Roman Galdamez ,  Javier Nieves Remacha ,  Juan J. Rodriguez Ordonez ,  Maria Patricia Forcen Jimenez ,  Hareesh Shamrao Deshpande ,  Surya Prakasa Rao Daliparthi ,  Sunil S. Dhumal ,  Sivakumar Periyasamy ,  Srinivas Mahesh Kumar ,  Siva Kumar Sreeramagiri ,  Bernabe Quevedo Sanchez

IPC: C08G73/10

Abstract: A polyetherimide of improved color and processes for preparing the polyetherimide are disclosed.

公开(公告)号：US10584210B2

公开(公告)日：2020-03-10

申请号：US15553749

申请日：2016-02-26

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Thomas Guggenheim ,  Juan Rodriguez Ordonez ,  Javier Nieves Remacha ,  Jose Roman Galdamez Pena ,  Hareesh Shamrao Deshpande ,  Sunil S. Dhumal ,  Surya Prakasa Rao Daliparthi ,  Srinivas Mahesh Kumar ,  Sivakumar P. ,  Siva Kumar Sreeramagiri ,  Carmen Rocío Misiego Arpa ,  Carlos Sanjuan Fernandez ,  Bernabe Quevedo Sanchez

IPC: C08G73/10

Abstract: A method of preparing a polyetherimide and an improved polyetherimide are disclosed. Low color polyetherimides are disclosed along with process improvements which produce the reduced color of the final product polymers.

公开(公告)号：US20200079909A1

公开(公告)日：2020-03-12

申请号：US16686520

申请日：2019-11-18

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Thomas Guggenheim ,  Jose Roman Galdamez ,  Javier Nieves Remacha ,  Juan J. Rodriguez Ordonez ,  Maria Patricia Forcen Jimenez ,  Hareesh Shamrao Deshpande ,  Surya Prakasa Rao Daliparthi ,  Sunil S. Dhumal ,  Sivakumar Periyasamy ,  Srinivas Mahesh Kumar ,  Siva Kumar Sreeramagiri ,  Bernabe Quevedo Sanchez

IPC: C08G73/10

Abstract: A polyetherimide of improved color and processes for preparing the polyetherimide are disclosed.

公开(公告)号：US20180044474A1

公开(公告)日：2018-02-15

申请号：US15553752

申请日：2016-02-26

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Thomas Guggenheim ,  Jose Roman Galdamez ,  Javier Nieves Remacha ,  Juan J. Rodriguez Ordonez ,  Maria Patricia Forcen Jimenez ,  Hareesh Shamrao Deshpande ,  Surya Prakasa Rao Daliparthi ,  Sunil S. Dhumal ,  Sivakumar Periyasamy ,  Srinivas Mahesh Kumar ,  Siva Kumar Sreeramagiri ,  Bernabe Quevedo Sanchez

IPC: C08G73/10

CPC classification number: C08G73/1046 ,  C08G73/1028 ,  C08G73/1053

Abstract: A polyetherimide of improved color and processes for preparing the polyetherimide are disclosed.

公开(公告)号：US20180037699A1

公开(公告)日：2018-02-08

申请号：US15553749

申请日：2016-02-26

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Thomas Guggenheim ,  Juan Rodriguez Ordonez ,  Javier Nieves Remacha ,  Jose Roman Galdamez Pena ,  Hareesh Shamrao Deshpande ,  Sunil S. Dhumal ,  Surya Prakasa Rao Daliparthi ,  Srinivas Mahesh Kumar ,  Sivakumar P. ,  Siva Kumar Sreeramagiri ,  Carmen Rocío Misiego Arpa ,  Carlos Sanjuan Fernandez ,  Bernabe Quevedo Sanchez

IPC: C08G73/10

CPC classification number: C08G73/1053 ,  C08G73/1046

Abstract: A method of preparing a polyetherimide and an improved polyetherimide are disclosed. Low color polyetherimides are disclosed along with process improvements which produce the reduced color of the final product polymers.