Inventor

Wilhelm Thoma

Inventor

Leverkusen, DE

Overview

37→

Patents

1976–1998

Patent span

Chemistry

Primary field (CPC C)

Patents· 37 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 bonds27%

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 material22%

C09DCoating compositions, e.g. paints, varnishes or lacquers15%

Y10TTechnical subjects covered by former us classification12%

C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing6%

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

D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials3%

C08JWorking-up3%

C08LCompositions of macromolecular compounds3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

PatentTitleYear

5,747,582'Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor'1998 5,716,676'Aqueous coating compositions and their use for the preparation of coatings that are permeable to water vapor'1998 5,629,402'Coating compositions and their use for the preparation of coatings permeable to water vapor'1997 5,276,125'Heat-curable coating compositions'1994 5,252,671'Coating compositions for coatings that are permeable to water vapor and a process for their preparation'1993 5,177,141'Coating materials containing PUR dispersions and solvents and their use for the preparation of water vapor permeable PUR coatings'1993 4,935,485'Heat hardenable coating composition based on polyurethane urea and coated substrate prepared therefrom'1990 4,895,883'Polyurethane ureas'1990 4,894,428'Process for coating substrates with polyurethane ureas'1990 4,876,302'Polyurethane dispersions and the use thereof as finishing agents'1989 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 4,675,211'Process for multiple-coat reverse coating using polyurethane solutions'1987 4,657,613'Coating compositions containing solvents and crosslinking agents and their use for heat-activated one-coat reverse coating'1987 4,652,466'Coating agents of polyurethane dispersions and the use thereof for top coats and finishes'1987 4,613,527'PUR-coating compositions which are cross-linkable under heat, a process for their production and their use thereof as an adhesive coat for textiles'1986 4,606,974'Leveller-containing high-solids polyurethane reactive coating systems and their use for reactive coating'1986 4,598,120'Dispersion compositions, a process for their production and their use'1986 4,594,385'Coating agents of polyurethane dispersions and the use thereof for top coats and finishes'1986 4,588,761'Coating compositions containing solvents and crosslinking agents and their use for heat-activated one-coat reverse coating'1986 4,571,417'Leveller-containing high-solids polyurethane reactive coating systems and their use for reactive coating'1986 4,543,144'Aqueous polyurethane compositions containing crosslinking agents and their use for heat-active one-coat reverse coating'1985 4,530,990'Process for the preparation of viscosity stable polyurethane solutions'1985 4,507,413'Process for the preparation of coating compositions, aqueous dispersions of PU reactive systems and their use for coating'1985 4,469,856'Non-crystalline polyamine/carbonic acid salt compositions, a process for their preparation and their use for the production of polyurethane ureas, especially foamed coatings'1984 4,446,293'Low-solvent, thermosetting reactive polyurethane coating composition, a process for its production and its use in direct and reverse coating processes'1984 4,401,801'Coating and dressing agents for leather and leather substitutes based on polyurethane urea coating compounds'1983 4,308,184'Heat cross linkable polyurethane coating compositions'1981 4,299,868'Coating compositions'1981 4,248,910'Reverse coating textiles with polyurethane solutions'1981 4,160,686'Method of reverse coating textile sheets with polyurethene'1979 4,116,741'Textile coating with polyurethanes'1978 RE029623'Polyurethane-ureas based on cis-trans-1,4-diaminocyclohexane'1978 4,035,213'Soft textile coatings resembling napa leather'1977 RE029224'Polyurethane urea elastomers based on polycarbonate macrodiols'1977 3,984,607'Polyurethane coated textile sheets'1976 3,932,366'Process for the production of basic modified polyamides'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1998Patents assigned to BAYER AG (35)· patent assignee history

1976–1978Based in Bergisch-Neukirchen, DT· patent location history

1976Based in Neukirchen-Vluyn, DE· patent location history

1979–1998Based in Leverkusen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	35	1976–1998

Locations

Location	Patents	Span
Leverkusen, DE	31	1979–1998
Bergisch-Neukirchen, DT	5	1976–1978
Neukirchen-Vluyn, DE	1	1976