LexDanaLexDanabeta
Inventor

Beatrice K. Stein

Inventor
Fogelsville, PA, US

Overview

2→
Patents
1991
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds33%
C07CAcyclic or carbocyclic compounds17%
Y02PClimate change mitigation technologies in the production or processing of goods17%
PatentTitleYear
5,026,676'Catalyst for the copolymerization of epoxides with CO.sub.2'19914,981,948'Zinc-containing solid catalyst, process of preparing same and process for preparing polyalkylene carbonate'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to MITSUI PETROCHEMICAL IND (2)· patent assignee history
1991Patents assigned to AIR PROD & CHEM (1)· patent assignee history
1991Patents assigned to ARCO CHEM CO (1)· patent assignee history
1991Based in Fogelsville, PA, US· patent location history
1991Based in Allentown, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI PETROCHEMICAL IND21991
AIR PROD & CHEM11991
ARCO CHEM CO11991
Locations
LocationPatentsSpan
Fogelsville, Pennsylvania, US11991
Allentown, Pennsylvania, US11991