Inventor

Helmut Kehr

Inventor

Schermbeck, DE

Overview

10→

Patents

1987–1995

Patent span

Chemistry

Primary field (CPC C)

Patents· 10 as inventor

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

C08Lprimary

C08LCompositions of macromolecular compounds21%

D06NWall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material17%

Y10TTechnical subjects covered by former us classification14%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

B29CShaping or joining of plastics7%

C09DCoating compositions, e.g. paints, varnishes or lacquers7%

E04DRoof coverings7%

C07CAcyclic or carbocyclic compounds3%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%

C09JAdhesives3%

PatentTitleYear

5,472,764'Solid coating composition for textile floor coverings'1995 5,412,029'Protective material capable of application in molten form'1995 5,248,719'Solid coating composition for textile floor coverings'1993 5,241,014'Process for the production of largely amorphous polyalphaolefins with a narrow molecular weight distribution'1993 5,185,398'Hot melt adhesive and coating composition'1993 5,047,462'Solid coating composition for textile floor coverings'1991 5,019,299'Process for the manufacture of wax-like esterification products'1991 4,771,090'Coating compositions for a polymer-modified roofing and waterproofing sheet'1988 4,707,413'Coating compositions for a polymer-modified roofing and waterproofing sheet'1987 4,661,163'Lubricant for processing of plastics'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1995Patents assigned to HUELS CHEMISCHE WERKE AG (10)· patent assignee history

1987–1995Based in Schermbeck, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HUELS CHEMISCHE WERKE AG	10	1987–1995

Locations

Location	Patents	Span
Schermbeck, DE	10	1987–1995