LexDanaLexDanabeta
Inventor

Hiroari Hara

Inventor
Osaka, JP

Overview

3→
Patents
1986–1994
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds40%
C09JAdhesives40%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%
PatentTitleYear
5,334,679'Method for production of water-soluble cationic polymer'19944,622,357'Pressure-sensitive adhesive compositions'19864,618,640'Hot-melt adhesive compositions comprising a partially (fumarized and/or maleinized) disproportionated rosin ester tackifier'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to ARAKAWA CHEM IND (2)· patent assignee history
1986Based in Osaka, JP· patent location history
1994Patents assigned to SUMITOMO SEIKA CHEMICALS (1)· patent assignee history
1994Based in Himeji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ARAKAWA CHEM IND21986
SUMITOMO SEIKA CHEMICALS11994
Locations
LocationPatentsSpan
Osaka, JP21986
Himeji, JP11994