Inventor

Sam Kwon Choi

Inventor

Seoul, KR

Overview

6→

Patents

1976–1993

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds42%

C07DHeterocyclic compounds17%

C08LCompositions of macromolecular compounds17%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons8%

PatentTitleYear

5,241,037'Nadimide-terminated polyarylates and cured polyarylate resins'1993 4,827,007'Novel bis(siloxane) derivatives and a process for their manufacture'1989 4,277,584'Antistatic agents, synthesis and use thereof'1981 4,211,859'Antistatic agents, synthesis and use thereof'1980 3,968,087'Polymerization of 2-pyrrolidone'1976 3,945,897'Photohalogenation of lactams and certain products thereof'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to CHEVRON RES (2)· patent assignee history

1976–1993Based in Seoul, KR· patent location history

1980Patents assigned to CHOI SAM K (1)· patent assignee history

1980Patents assigned to LEE KEE D (1)· patent assignee history

1989Patents assigned to KOREA ADVANCED INST SCI & TECH (1)· patent assignee history

1993Patents assigned to KOREA RES INST CHEM TECH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHEVRON RES	2	1976
CHOI SAM Kself	1	1980
KOREA ADVANCED INST SCI & TECH	1	1989
KOREA RES INST CHEM TECH	1	1993
LEE KEE D	1	1980

Locations

Location	Patents	Span
Seoul, KR	6	1976–1993