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Inventor

Yuan Feng Liang

Inventor
Newark, DE, US

Overview

3→
Patents
2001
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.

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge40%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests40%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients20%
PatentTitleYear
6,325,945'Process of making a polyester or polyol'20016,277,289'Treatment of aqueous aldehyde waste streams'20016,245,844'Nucleating agent for polyesters'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to DU PONT (3)· patent assignee history
2001Based in Newark, DE, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DU PONT32001
Locations
LocationPatentsSpan
Newark, Delaware, US32001