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Silk protein coatings
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Patent number 10,253,213
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Issue date Apr 9, 2019
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AMSilk GmbH
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Axel H. Leimer
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C07 - ORGANIC CHEMISTRY
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3573972
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Patent number 3,573,972
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Issue date Apr 6, 1971
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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2858238
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Patent number 2,858,238
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Issue date Oct 28, 1958
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2581076
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Patent number 2,581,076
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Issue date Jan 1, 1952
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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1638108
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Patent number 1,638,108
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Issue date Aug 9, 1927
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES