Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From protein or biologically active polypeptide reactant
Reexamination Certificate
2006-01-31
2006-01-31
Sergent, Rabon (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From protein or biologically active polypeptide reactant
C424S070100, C424S070110, C424S070120, C424S070122, C424S070140, C424S070170, C435S174000, C435S180000, C524S591000, C524S839000, C524S840000, C525S054100, C525S453000, C528S028000, C528S060000, C528S061000, C528S071000, C528S080000
Reexamination Certificate
active
06992161
ABSTRACT:
Cationic polyurethanes and polyureas formed from(a) at least one diisocyanate or reaction product thereof with one or more compounds containing two or more active hydrogen atoms per molecule, and(b) at least one diol, primary or secondary amino alcohol, primary or secondary diamine or primary or secondary triamine each with one or more tertiary, quaternary or protonated tertiary amine nitrogen atomsand having a glass transition temperature of at least 25° C. and an amine number of from 50 to 200, based on the non-quaternized or -protonated compounds, or other salts of these polyurethanes and polyureas, are useful as ingredients of cosmetic and pharmaceutical preparations.
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Hössel Peter
Kim Son Nguyen
Sanner Axel
BASF - Aktiengesellschaft
Novak Druce & Quigg
Sergent Rabon
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