Inventor

Walter Sprenger

Inventor
Dieburg, DE

Overview

6→
Patents
1983–1991
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds31%
C09DCoating compositions, e.g. paints, varnishes or lacquers25%
Y10TTechnical subjects covered by former us classification13%
C07CAcyclic or carbocyclic compounds6%
C08LCompositions of macromolecular compounds6%
E04FFinishing work on buildings, e.g. stairs, floors6%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1991Patents assigned to HOECHST AG (5)· patent assignee history
1983–1991Based in Dieburg, DE· patent location history
1985Patents assigned to SPRENGER WALTER (1)· patent assignee history
1985Based in Kirchensittenbach, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOECHST AG51983–1991
SPRENGER WALTERself11985
Locations
LocationPatentsSpan
Dieburg, DE51983–1991
Kirchensittenbach, DE11985