Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2008-04-29
2008-04-29
McClendon, Sanza L. (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C523S161000, C106S031150, C106S031320, C524S601000, C524S602000, C524S556000
Reexamination Certificate
active
10333835
ABSTRACT:
The invention relates to a marking liquid which contains a polymer dispersion with particles which are colored with marking agent, optionally further dyes and marking agents, one or more salts of a polyvalent, in particular bi- or trivalent cation, water and optionally moisture retaining agents and further usual additives, wherein the polymer forming the polymer particles is selected from the group of polyesters, polyester amides, polymers and copolymers based on acrylate or methacrylate with a proportion of free carboxylic acid groups of less than 10% by weight, melamine-formaldehyde-sulfonamide resins and mixtures thereof.
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Denninger Hans-Dieter
Horvat Ivan
Schröder Klaus-Dieter
Spengler Thomas
Bachman & LaPointe P.C.
McClendon Sanza L.
Schwan-STABILO Schwanhausser GmbH & Co. KG
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