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Inventor

Lieh-Jiun Shyu

Inventor
Yorktown Heights, NY, US

Overview

5→
Patents
1989–1998
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C01Bprimary
C01BNon-metallic elements27%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry18%
C01GCompounds containing metals not covered by subclasses c01d or c01f18%
C07CAcyclic or carbocyclic compounds18%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds9%
C04BLime, magnesia9%
PatentTitleYear
5,824,832'Linear alxylbenzene formation using low temperature ionic liquid'19985,731,101'Low temperature ionic liquids'19985,312,613'Process for producing ceramic precursor powders without gel formation'19945,196,388'Process for the preparation of double metal oxide powders containing a Group IIIA and a Group IVB element and a novel double metal hydroxyl carboxylate useful in preparing same'19934,824,649'High viscosity potassium metaphosphate'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to STAUFFER CHEMICAL CO (1)· patent assignee history
1989Based in Brewster, NY, US· patent location history
1993–1994Patents assigned to AKZO NV (2)· patent assignee history
1993–1998Based in Yorktown Heights, NY, US· patent location history
1998Patents assigned to AKZO NOBEL NV (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AKZO NOBEL NV21998
AKZO NV21993–1994
STAUFFER CHEMICAL CO11989
Locations
LocationPatentsSpan
Yorktown Heights, New York, US41993–1998
Brewster, New York, US11989