Inventor

Helen N. Lew

Inventor
Wynnewood, PA, US

Overview

4→
Patents
2018–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds40%
A01NPreservation of bodies of humans or animals or plants or parts thereof20%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
C11CFatty acids from fats, oils or waxes10%
Y02PClimate change mitigation technologies in the production or processing of goods10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2019Patents assigned to US AGRICULTURE (4)· patent assignee history
2018Patents assigned to SCHOOL OF CHEMISTRY AND CHEMICAL ENGINEERING SOUTH CHINA UNIV OF TECHNOLOGY (1)· patent assignee history
2018Patents assigned to SCHOOL OF CHEMISTRY AND CHEMICAL ENGINEERING—SOUTH CHINA UNIV (1)· patent assignee history
2018Based in Wynnewood, PA, US· patent location history
2019Based in Wyndmoor, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
US AGRICULTURE42018–2019
SCHOOL OF CHEMISTRY AND CHEMICAL ENGINEERING SOUTH CHINA UNIV OF TECHNOLOGY12018
SCHOOL OF CHEMISTRY AND CHEMICAL ENGINEERING—SOUTH CHINA UNIV12018
Locations
LocationPatentsSpan
Wynnewood, Pennsylvania, US32018
Wyndmoor, Pennsylvania, US12019