Inventor

Gerhard Giersiepen

Inventor

Leichlingen, DE

Overview

2→

Patents

1979–1980

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.

C08Jprimary

C08JWorking-up50%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts25%

C08LCompositions of macromolecular compounds25%

PatentTitleYear

4,190,613'Separating agent for rubber powders'1980 4,157,790'Production of low-filler rubber powders by the grinding process'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1980Patents assigned to BAYER AG (2)· patent assignee history

1979–1980Based in Leichlingen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	2	1979–1980

Locations

Location	Patents	Span
Leichlingen, DE	2	1979–1980