Inventor

Heinz Schmelzer

Inventor

Rummelsheim, DE

Overview

1978–1992

Patent span

Chemistry

Primary field (CPC C)

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

C09Jprimary

C09JAdhesives33%

C08LCompositions of macromolecular compounds29%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%

C08JWorking-up5%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Y10TTechnical subjects covered by former us classification5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1978–1992Patents assigned to HOECHST AG (8)· patent assignee history

1978–1991Based in Rummelsheim, DE· patent location history

1992Based in Ruemmelshein, DE· patent location history

1992Based in Ruemmelsheim, DE· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HOECHST AG	8	1978–1992

Locations