Inventor

ZEZINKA ELIZABETH A

US9 patents

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

PPG IND OHIO INC

2 patents

US7001952B2Feb 21, 2006

Coating compositions containing polyurethane dispersions and highly crosslinked polymer particles

PPG IND OHIO INC56 citations90

US7288595B2Oct 30, 2007

Polyether carbamate compounds, compositions containing such compounds, and methods related thereto

PPG IND OHIO INC16 citations79

BOWLES STEVEN E

2 patents

US8563213B2Oct 22, 2013

Methods for producing photosensitive microparticles

BOWLES STEVEN E13 citations81

US8563212B2Oct 22, 2013

Methods for producing photosensitive microparticles, non-aqueous dispersions thereof and articles prepared therewith

BOWLES STEVEN E4 citations60

TRANSITIONS OPTICAL INC

2 patents

US10954397B2Mar 23, 2021

Curable photochromic compositions

TRANSITIONS OPTICAL INC7 citations79

US11795331B2Oct 24, 2023

Curable photochromic compositions

TRANSITIONS OPTICAL INC0 citations57

TRANSITIONS OPTICAL LTD

2 patents

US11525027B2Dec 13, 2022

Curable photochromic composition including a segmented polymer

TRANSITIONS OPTICAL LTD0 citations48

US12304991B2May 20, 2025

Photochromic article

TRANSITIONS OPTICAL LTD0 citations43

BANCROFT KEVIN E

1 patent

US9028728B2May 12, 2015

Photochromic materials that include indeno-fused naphthopyrans

BANCROFT KEVIN E62 citations93