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Inventor

Timothy J. Pike

Inventor
Bethel Park, PA, US

Overview

3→
Patents
1999–2021
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.

C08Lprimary
C08LCompositions of macromolecular compounds40%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients20%
G02BOptical elements, systems or apparatus20%
LOC1420%
PatentTitleYear
D0928819Display screen portion with a graphical user interface20216,065,836'Photochromic ophthalmic lens'20005,998,520'Photochromic compositions having improved fade rate'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2000Patents assigned to BAYER AG (2)· patent assignee history
1999–2021Based in Bethel Park, PA, US· patent location history
2021Patents assigned to COVESTRO LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG21999–2000
COVESTRO LLC12021
Locations
LocationPatentsSpan
Bethel Park, Pennsylvania, US31999–2021