Inventor

BHATNAGAR ATUL

US11 patents

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

VIRGINIA TECH INTELL PROP

2 patents

US6288210B1Sep 11, 2001

High refractive index thermoplastic polyphosphonates

VIRGINIA TECH INTELL PROP58 citations95

US7067083B2Jun 27, 2006

High refractive index thermoplastic polyphosphonates

VIRGINIA TECH INTELL PROP8 citations73

JOHNSON & JOHNSON VISION CARE

2 patents

US6653439B2Nov 25, 2003

High refractive index thermoplastic polyphosphonates

JOHNSON & JOHNSON VISION CARE4 citations73

US6943221B2Sep 13, 2005

High refractive index thermoplastic polyphosphonates

JOHNSON & JOHNSON VISION CARE0 citations51

SOLVAY SPECIALTY POLYMERS USA

2 patents

US10005887B2Jun 26, 2018

Mobile electronic devices made of low-chlorine aromatic polysulfones

SOLVAY SPECIALTY POLYMERS USA2 citations70

US10829596B2Nov 10, 2020

Mobile electronic devices made of low-chlorine aromatic polysulfones

SOLVAY SPECIALTY POLYMERS USA0 citations49

JOHNSON & JOHNSON VISION PROD

1 patent

US6040416AMar 21, 2000

Melt polymer synthesis of poly ether phosphine oxides

JOHNSON & JOHNSON VISION PROD38 citations88

DIVITAS NETWORKS INC

1 patent

US7565159B2Jul 21, 2009

Methods and arrangement for implementing an active call handover by employing a switching component

DIVITAS NETWORKS INC8 citations74

ESSILOR INT

1 patent

US7375178B2May 20, 2008

High refractive index thermoplastic polyphosphonates

ESSILOR INT6 citations73

BHATNAGAR ATUL

1 patent

US8742062B2Jun 3, 2014

Polyphenyl sulfone ketone copolymers

BHATNAGAR ATUL2 citations50

SYENSQO SPECIALTY POLYMERS USA LLC

1 patent

US12486363B2Dec 2, 2025

Process for preparing a polysulfone (PSU) polymer

SYENSQO SPECIALTY POLYMERS USA LLC0 citations47