Inventor

James L. Jezl

Inventor

St. Charles, IL, US

Overview

21→

Patents

1976–1992

Patent span

Chemistry

Primary field (CPC C)

Patents· 21 as inventor

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

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds27%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry24%

C07CAcyclic or carbocyclic compounds20%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

C01BNon-metallic elements7%

B29BPreparation or pretreatment of the material to be shaped2%

C08JWorking-up2%

PatentTitleYear

5,080,872'Temperature regulating reactor apparatus and method'1992 4,968,655'Catalysts for conversion of a lower alkane'1990 4,814,539'Conversion of a lower alkane'1989 4,778,826'Conversion of a lower alkane'1988 4,754,093'Conversion of a lower alkane'1988 4,754,091'Conversion of a lower alkane'1988 4,751,336'Conversion of a lower alkane'1988 4,654,458'Conversion of a lower alkane'1987 4,365,045'Crystalline olefin block polymers'1982 4,311,612'Olefin polymerization catalyst'1982 4,301,256'Crystalline olefin block polymers and their preparation'1981 4,189,458'Method for converting polymer powder to pellets'1980 RE030148'Melt finishing process for polymers produced by vapor state polymerization processes'1979 4,129,701'Horizontal reactor for the vapor phase polymerization of monomers'1978 4,101,289'Horizontal reactor for the vapor phase polymerization of monomers'1978 4,099,335'Drying and finishing operations in slurry or bulk phase polymerization processes'1978 3,979,370'Method for simultaneous addition of non-compatible substances to a mixing zone'1976 3,971,768'Vapor phase reactor off-gas recycle system for use in the vapor state polymerization of monomers'1976 3,970,611'Melt finishing process for polymers produced by vapor state polymerization processes'1976 3,965,083'Process for the vapor phase polymerization of monomers in a horizontal, quench-cooled, stirred-bed reactor using essentially total off-gas recycle and melt finishing'1976 3,957,448'Divided horizontal reactor for the vapor phase polymerization of monomers at different hydrogen levels'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1982Patents assigned to STANDARD OIL CO INDIANA (8)· patent assignee history

1976–1978Patents assigned to STANDARD OIL CO (4)· patent assignee history

1976–1992Based in St. Charles, IL, US· patent location history

1979Based in Winfield, IL, US· patent location history

1981–1982Based in Swarthmore, PA, US· patent location history

1987–1992Patents assigned to AMOCO CORP (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AMOCO CORP	8	1987–1992
STANDARD OIL CO INDIANA	8	1976–1982
STANDARD OIL CO	4	1976–1978

Locations

Location	Patents	Span
St. Charles, Illinois, US	18	1976–1992
Swarthmore, Pennsylvania, US	2	1981–1982
Winfield, Illinois, US	1	1979