Inventor

GURRAM KISHAN

IN5 patents

⚠️ This page may combine multiple inventors who share the name “GURRAM KISHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BHOTLA VENKATA RAMA NARAYANAN GANAPATHY

2 patents

US8809486B2Aug 19, 2014

Methods for producing and purifying 2-aryl-3,3-bis(4-hydroxyaryl)phthalimidine compounds, the purified monomers, and polymers derived therefrom

BHOTLA VENKATA RAMA NARAYANAN GANAPATHY5 citations79

US8247523B2Aug 21, 2012

Methods for producing and purifying 2-aryl-3,3-bis(4-hydroxyaryl)phthalimidine compounds, the purified monomers, and polymers derived therefrom

BHOTLA VENKATA RAMA NARAYANAN GANAPATHY7 citations79

HASYAGAR UMESH KRISHNA

1 patent

US8735634B2May 27, 2014

Promoter catalyst system with solvent purification

HASYAGAR UMESH KRISHNA13 citations75

SABIC GLOBAL TECHNOLOGIES BV

1 patent

US9056821B2Jun 16, 2015

Promoter catalyst system with solvent purification

SABIC GLOBAL TECHNOLOGIES BV0 citations47

SABIC INNOVATIVE PLASTICS IP

1 patent

US9340502B2May 17, 2016

Methods for producing and purifying 2-aryl-3,3-bis(4-hydroxyaryl)phthalimidine compounds, the purified monomers, and polymers derived therefrom

SABIC INNOVATIVE PLASTICS IP0 citations46