LexDanaLexDanabeta
Inventor

ELIZABETH A. ZEZINKA

Inventor
US

Overview

3→
Patents
2022–2025
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds19%
C09DCoating compositions, e.g. paints, varnishes or lacquers19%
G02BOptical elements, systems or apparatus19%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%
C09KMaterials for miscellaneous applications, not provided for elsewhere13%
C08LCompositions of macromolecular compounds6%
G02CSpectacles6%
G03CPhotosensitive materials for photographic purposes6%
PatentTitleYear
12,304,991Photochromic article202511,795,331Curable photochromic compositions202311,525,027Curable photochromic composition including a segmented polymer2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to TRANSITIONS OPTICAL LTD (2)· patent assignee history
2022–2025Based in US· patent location history
2023Patents assigned to TRANSITIONS OPTICAL INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TRANSITIONS OPTICAL LTD22022–2025
TRANSITIONS OPTICAL INC12023
Locations
LocationPatentsSpan
US32022–2025