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
2006-07-18
2006-07-18
Harlan, Robert D. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S329600, C525S333300, C526S319000, C526S346000
Reexamination Certificate
active
07078464
ABSTRACT:
Compositions comprising acid salts of amine-functionalized styrene-maleic anhydride resins are disclosed. The salts can be dissolved in organic solvents, UV/EB polymerizable monomers and/or oligomers, and/or water and act as a polymeric surfactants to disperse pigments or fillers, emulsifying agents, or hard resin additives in a variety of formulations. The compositions react under UV/EB cure conditions, and provide enhanced properties such as cure speed, hardness and adhesion to polymer compositions.
REFERENCES:
patent: 3941808 (1976-03-01), Pratt
patent: 4618655 (1986-10-01), Dehm
patent: 4868246 (1989-09-01), MacLeay et al.
Dougherty William R.
Goodrich James
McEuen Bruce
Schmidhauser John
Crozen O'Connor, P.C.
Fein, Esq. Michael B.
Harlan Robert D.
Sartomer Technology, Inc.
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