Inventor
Wilfried Kortmann
Inventor
Nachrodt-Wiblingwerde, DE
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D06Mprimary
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials44%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%
C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing6%
D21HPulp compositions6%
C07DHeterocyclic compounds3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C08LCompositions of macromolecular compounds3%
D06PDyeing or printing textiles3%
PatentTitleYear
5,173,547'Copolymers containing perfluoroalkyls'19925,171,464'Lubricant based on polyorganosiloxanes'19925,164,252'Hydrophobizing and oleophobizing compositions'19925,115,013'Graft copolymers containing perfluoroalkyl groups'19925,093,398'Dispersions of copolymers containing perfluoroalkyl groups'19925,028,236'Treatment of polyamide fibres'19914,997,873'Copolymers containing perfluoroalkyl groups'19914,997,893'Graft copolymers, a process for their preparation and their use'19914,833,188'Hydrophobic and oleophobic finishes'19894,781,844'Fluorine containing silicone textile-finishing agent: silicone suspension and perfluoroalkyl polymer'19884,464,506'Graft-modified siloxane dispersions for finishing textile materials'19844,458,080'Imidazoline derivatives'19844,446,034'Textile-treatment agents, and their use for finishing textile materials'19844,380,451'Continuous dyeing and simultaneous finishing of textile materials using defoaming agent of polyoxyalkylene polysiloxane copolymer and hydrophobic silica'19834,351,736'Pile-stabilizing silicon-containing textile agents'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1992Patents assigned to BAYER AG (15)· patent assignee history
1982–1991Based in Hagen, DE· patent location history
1984Based in Hagen-Hohenlimburg, DE· patent location history
1991–1992Based in Nachrodt-Wiblingwerde, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 15 | 1982–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nachrodt-Wiblingwerde, DE | 7 | 1991–1992 |
| Hagen, DE | 7 | 1982–1991 |
| Hagen-Hohenlimburg, DE | 1 | 1984 |