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Inventor

Hisanobu Urahata

Inventor
Tokyo, JP

Overview

1→
Patents
1999
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 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 bonds50%
D21HPulp compositions50%
PatentTitleYear
5,989,391'Reaction product of sulfonated amino resin and amino group-containing substance and papermaking process'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to NISSAN CHEMICAL IND LTD (1)· patent assignee history
1999Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NISSAN CHEMICAL IND LTD11999
Locations
LocationPatentsSpan
Tokyo, JP11999