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Inventor

Rolf Sommerfeld

Inventor
Kempen, DE

Overview

1→
Patents
1980
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.

C08Lprimary
C08LCompositions of macromolecular compounds100%
PatentTitleYear
4,204,986'Sealing, caulking and protective shielding composition of thermoplastic synthetic materials and carbonaceous materials'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to BERGWERKSVERBAND GMBH (1)· patent assignee history
1980Patents assigned to RUHRKOHLE AG (1)· patent assignee history
1980Based in Kempen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BERGWERKSVERBAND GMBH11980
RUHRKOHLE AG11980
Locations
LocationPatentsSpan
Kempen, DE11980