Inventor

Johannes M. Zijderveld

Inventor

Breda, NL

Overview

1991–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 10 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 bonds42%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%

C08JWorking-up13%

C08LCompositions of macromolecular compounds8%

PatentTitleYear

6,262,193'Process for the preparation of polymer particles'2001 6,242,540'Process for the preparation of polymer particles'2001 6,160,027'Process for the preparation of polymer particles'2000 6,127,439'Process for the preparation of polymer particles'2000 5,310,820'Process for modification of polyphenylene ether or related polymers with a cyclic acid anhydride and the use thereof in modified, high temperature rigid polymer of vinyl substituted aromatics'1994 5,304,600'Process for preparation of modified polyphenylene ether or related polymers and the use thereof in modified high temperature rigid polymer of vinyl substituted aromatics'1994 5,219,951'Process for preparation of modified polyphenylene ether or related polymers and the use thereof in modified high temperature rigid polymer of vinyl substituted aromatics'1993 5,084,513'Process for preparation of stable interpenetrating polymer blends, comprising a poly(vinyl aromatic) polymer phase and a poly(alkylene) phase'1992 5,079,268'Poly(alkenyl substituted aromatic) and elastomer containing polymer compositions and process for their preparation'1992 5,071,922'Process for preparation of modified polyphenylene ether or related polymers and the use thereof in modified high temperature rigid polymer of vinyl substituted aromatics'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to SHELL INT RESEARCH (3)· patent assignee history

1991–2001Based in Breda, NL· patent location history

1992–1994Patents assigned to SHELL RES LTD (3)· patent assignee history

2000–2001Patents assigned to NOVA CHEM INT SA (4)· patent assignee history

2001Based in Zevenbergen, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NOVA CHEM INT SA	4	2000–2001
SHELL INT RESEARCH	3	1991–1993
SHELL RES LTD	3	1992–1994

Locations

Location	Patents	Span
Breda, NL	9	1991–2001
Zevenbergen, NL	1	2001