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Sivakumar Periyasamy
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Karnataka, IN
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Patents Grants
last 30 patents
Information
Patent Grant
Method for isolation of an aromatic dianhydride and aromatic dianhy...
Patent number
11,912,689
Issue date
Feb 27, 2024
SHPP Global Technologies B.V.
Simon Padmanabhan
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for isolation of a dianhydride and dianhydrides prepared by...
Patent number
11,661,416
Issue date
May 30, 2023
SHPP Global Technologies B.V.
Aaron Matthew Royer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process to make low color polyetherimide by halo-displacement and l...
Patent number
11,505,652
Issue date
Nov 22, 2022
SHPP Global Technologies B.V.
Thomas Guggenheim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for isolation of an aromatic dianhydride and aromatic dianhy...
Patent number
11,459,314
Issue date
Oct 4, 2022
SHPP Global Technologies B.V.
Gregory L. Hemmer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process to make low color polyetherimide by halo-displacement and l...
Patent number
10,526,449
Issue date
Jan 7, 2020
SABIC GLOBAL TECHNOLOGIES B.V.
Thomas Guggenheim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR DEPOLYMERIZATION OF SOLID MIXED PLASTIC
Publication number
20240052250
Publication date
Feb 15, 2024
SABIC Global Technologies B.V.
Ravichander NARAYANASWAMY
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
METHOD FOR ISOLATION OF AN AROMATIC DIANHYDRIDE AND AROMATIC DIANHY...
Publication number
20210371405
Publication date
Dec 2, 2021
SABIC Global Technologies B.V.
Gregory L. HEMMER
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR ISOLATION OF A DIANHYDRIDE AND DIANHYDRIDES PREPARED BY...
Publication number
20210246124
Publication date
Aug 12, 2021
SABIC Global Technologies B.V.
Aaron Matthew ROYER
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR ISOLATION OF AN AROMATIC DIANHYDRIDE AND AROMATIC DIANHY...
Publication number
20210179593
Publication date
Jun 17, 2021
SABIC Global Technologies B.V.
Simon PADMANABHAN
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS TO MAKE LOW COLOR POLYETHERIMIDE BY HALO-DISPLACEMENT AND L...
Publication number
20200079909
Publication date
Mar 12, 2020
SABIC Global Technologies B.V.
Thomas Guggenheim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHODS OF PURIFICATION OF 2-ARYL-3,3-BIS(4-HYDROXYARYL)PHTHALIMIDI...
Publication number
20200024232
Publication date
Jan 23, 2020
SABIC Global Technologies B.V.
Deshmukh Sandesh Shivajirao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS TO MAKE LOW COLOR POLYETHERIMIDE BY HALO-DISPLACEMENT AND L...
Publication number
20180044474
Publication date
Feb 15, 2018
SABIC Global Technologies B.V.
Thomas Guggenheim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...