Inventor

Sai H. Hui

Inventor
Hudson, OH, US

Overview

7→
Patents
1985–1992
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

D21Hprimary
D21HPulp compositions27%
Y10TTechnical subjects covered by former us classification27%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds18%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
C09DCoating compositions, e.g. paints, varnishes or lacquers9%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1987Patents assigned to SUN CHEMICAL CORP (2)· patent assignee history
1985–1989Based in Rock Hill, SC, US· patent location history
1989Patents assigned to SEQUA CHEMICALS INC (1)· patent assignee history
1991–1992Patents assigned to PPG INDUSTRIES INC (4)· patent assignee history
1991–1992Based in Hudson, OH, US· patent location history
1991Based in Wexford, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PPG INDUSTRIES INC41991–1992
SUN CHEMICAL CORP21985–1987
SEQUA CHEMICALS INC11989
Locations
LocationPatentsSpan
Hudson, OH, US31991–1992
Rock Hill, SC, US31985–1989
Wexford, Pennsylvania, US11991