4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Cellular products or processes of preparing a cellular...

Udo Rotermund

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Diisocyanates containing hydantoin groups and polyurethanes...

Organic compounds -- part of the class 532-570 series – Organic compounds – Isocyanate esters
Reexamination Certificate

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Gas mixtures for thermal insulation

Stock material or miscellaneous articles – Sheet including cover or casing – Filled with gas other than air; or under vacuum
Patent

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High-functionality polyether polyols and preparation thereof

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate

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Isocyanate adducts

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Reexamination Certificate

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Microcellular polyurethane elastomer containing urea groups

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent

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Profile ID: LFUS-PAI-P-323078

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