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Inventor

Yuzo Sonoyama

Inventor
Sakai, JP

Overview

2→
Patents
1976
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 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 ingredients33%
C08LCompositions of macromolecular compounds33%
C09KMaterials for miscellaneous applications, not provided for elsewhere17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
3,981,843'Impact-resistant, flame-retardant resin composition'19763,966,677'Self-extinguishing polystyrene resin composition'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to DAICEL LTD (2)· patent assignee history
1976Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAICEL LTD21976
Locations
LocationPatentsSpan
Sakai, JP21976