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Inventor

Helena M. Lee

Inventor
Daejeon, KR

Overview

2→
Patents
1984–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

A47Jprimary
A47JKitchen equipment33%
C08JWorking-up33%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients33%
PatentTitleYear
11,034,800Superabsorbent polymer and method for preparing the same20214,467,784'Boil-over preventer'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to LEE HELENA M (1)· patent assignee history
1984Patents assigned to LEE ROBERT K (1)· patent assignee history
1984Based in Vancouver, British Columbia, CA· patent location history
2021Patents assigned to LG CHEMICAL LTD (1)· patent assignee history
2021Based in Daejeon, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LEE HELENA Mself11984
LEE ROBERT K11984
LG CHEMICAL LTD12021
Locations
LocationPatentsSpan
Daejeon, KR12021
Vancouver, British Columbia, CA11984