Inventor

Hans Friemann

Inventor
Cologne, DE

Overview

7→
Patents
1982–1984
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 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 bonds29%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds21%
C08LCompositions of macromolecular compounds21%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%
D21HPulp compositions7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1984Patents assigned to BAYER AG (7)· patent assignee history
1982–1984Based in Cologne, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG71982–1984
Locations
LocationPatentsSpan
Cologne, DE71982–1984