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Inventor

Zengiro Kawamura

Inventor
Kanagawa, JP

Overview

3→
Patents
1976–1989
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.

C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients40%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
4,810,786'Stabilization of xanthan gum in aqueous solution'19894,607,099'Stabilization of xanthan gum in aqueous solution'19863,951,934'Polymerization of acrylamide in the presence of water-soluble nitrogen compounds'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1989Patents assigned to NITTO CHEMICAL INDUSTRY CO LTD (3)· patent assignee history
1976Based in Yokohama, JP· patent location history
1986–1989Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NITTO CHEMICAL INDUSTRY CO LTD31976–1989
Locations
LocationPatentsSpan
Kanagawa, JP21986–1989
Yokohama, JP11976