Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2006-10-27
2009-12-01
Zimmer, Marc S (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S104000, C525S105000, C525S477000, C528S025000, C528S028000, C528S029000, C528S038000
Reexamination Certificate
active
07625978
ABSTRACT:
The present invention provides curable hot melt compositions including reactive polymers, which are reinforced by organic polymers to impart higher tensile strength and elongation to the compositions upon cure. In particular, the present invention provides curable hot melt compositions including a silicone urea based polymer and a reinforcement polymer. In some embodiments, the compositions cure upon exposure to moisture and/or radiation. The compositions may be used, for example, as sealants or adhesives.
REFERENCES:
patent: 2005/0009985 (2005-01-01), Selbertinger et al.
patent: 2007/0232772 (2007-10-01), Ziche et al.
patent: 2008/0058460 (2008-03-01), Tonge et al.
patent: WO 2006/010486 (2006-02-01), None
patent: WO 2006/021371 (2006-03-01), None
patent: WO 2006/028927 (2006-03-01), None
Chu Hsien-Kun
Dworak David P.
Liistro, Jr. Mathias E.
Lim Thomas Fay-Oy
Bauman Steven C.
Henkel Corporation
Zimmer Marc S
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