Inventor · disambiguated record
Sivakumar Periyasamy
Also filed as: PERIYASAMY SIVAKUMAR
5 granted patents·1 pending application·0 citations·filing 2016–2019
59Inventor score
Top patents by PatentIndex Score
6 records- 0167US11505652B2Process to make low color polyetherimide by halo-displacement and low color polyetherimideSABIC GLOBAL TECHNOLOGIES BV·Filed 2019·Granted Nov 22, 2022·0 cites·7 claims
- 0255US10526449B2Process to make low color polyetherimide by halo-displacement and low color polyetherimideSABIC GLOBAL TECHNOLOGIES BV·Filed 2016·Granted Jan 7, 2020·0 cites·13 claims
- 0347US11459314B2Method for isolation of an aromatic dianhydride and aromatic dianhydrides prepared by the methodSABIC GLOBAL TECHNOLOGIES BV·Filed 2019·Granted Oct 4, 2022·0 cites·16 claims
- 0441US11912689B2Method for isolation of an aromatic dianhydride and aromatic dianhydrides prepared by the methodSHPP GLOBAL TECH BV·Filed 2019·Granted Feb 27, 2024·0 cites·17 claims
- 0541US11661416B2Method for isolation of a dianhydride and dianhydrides prepared by the methodSABIC GLOBAL TECHNOLOGIES BV·Filed 2019·Granted May 30, 2023·0 cites·11 claims
- 0632US2020024232A1Methods of purification of 2-aryl-3,3-bis(4-hydroxyaryl)phthalimidines, and polymers derived therefromSABIC GLOBAL TECHNOLOGIES BV·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →