Wilhelm Thoma

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Berg.Neukirchen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Polyurethane-ureas based on cis-trans-1,4-diaminocyclohexane
- Patent number RE29623
- Issue date May 2, 1978
- Bayer Aktiengesellschaft
- Harald Oertel
- 260 - Chemistry of carbon compounds
Information Patent Grant
Soft textile coatings resembling napa leather
- Patent number 4,035,213
- Issue date Jul 12, 1977
- Bayer Aktiengesellschaft
- Wilhelm Thoma
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Polyurethane urea elastomers based on polycarbonate macrodiols
- Patent number RE29224
- Issue date May 17, 1977
- Bayer Aktiengesellschaft
- Josef Pedain
- 260 - Chemistry of carbon compounds
Information Patent Grant
Polyurethane coated textile sheets
- Patent number 3,984,607
- Issue date Oct 5, 1976
- Bayer Aktiengesellschaft
- Wilhelm Thoma
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the production of basic modified polyamides
- Patent number 3,932,366
- Issue date Jan 13, 1976
- Bayer Aktiengesellschaft
- Wilhelm Thoma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...