Inventor

Ekkehard Frohberg

Inventor

Dormagen, DE

Overview

3→

Patents

1978–1997

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.

B65Dprimary

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers25%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds25%

C08LCompositions of macromolecular compounds25%

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons25%

PatentTitleYear

5,605,963'ABS polymer compositions having a uniform matt surface'1997 4,239,110'Container for packaging wire roll'1980 4,067,850'Filaments and fibers having improved dyeability prepared from bis ethoxylated tetramethyl bisphenol A'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1997Patents assigned to BAYER AG (3)· patent assignee history

1978–1980Based in Dormagen, DE· patent location history

1997Based in K oln, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	3	1978–1997

Locations

Location	Patents	Span
Dormagen, DE	2	1978–1980
K oln, DE	1	1997