Inventor

Rolf Langel

Inventor

Leverkusen, DE

Overview

9→

Patents

1985–2003

Patent span

Chemistry

Primary field (CPC C)

Patents· 9 as inventor

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

D06Nprimary

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 material24%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds21%

C09DCoating compositions, e.g. paints, varnishes or lacquers21%

C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing9%

Y10TTechnical subjects covered by former us classification9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

C08JWorking-up3%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%

C08LCompositions of macromolecular compounds3%

C09KMaterials for miscellaneous applications, not provided for elsewhere3%

PatentTitleYear

6,548,615'Reactive binding agent with an extended pot life'2003 6,451,963'Method of coagulating aqueous PUR dispersions containing dispersed therein reactive or secondary cross-linked polyurethane, the products obtained thereby and their use'2002 5,518,764'Process for coating textiles'1996 5,177,141'Coating materials containing PUR dispersions and solvents and their use for the preparation of water vapor permeable PUR coatings'1993 4,743,470'Spreading pastes containing polyurethane plastics and a process for the production of polyurethane coatings permeable to water vapor'1988 4,728,542'Ionically modified pur spreading pastes and their use'1988 4,598,120'Dispersion compositions, a process for their production and their use'1986 4,543,144'Aqueous polyurethane compositions containing crosslinking agents and their use for heat-active one-coat reverse coating'1985 4,507,413'Process for the preparation of coating compositions, aqueous dispersions of PU reactive systems and their use for coating'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2003Patents assigned to BAYER AG (9)· patent assignee history

1985–2003Based in Leverkusen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	9	1985–2003

Locations

Location	Patents	Span
Leverkusen, DE	9	1985–2003