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
2006-03-28
2006-03-28
Mullis, Jeffrey (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S064000
Reexamination Certificate
active
07019073
ABSTRACT:
The present invention discloses a method of dispersing cyclodextrins into a base polymer. The method of the invention comprises reacting grafted microfine polymer powder with a cyclodextrin to form a cyclodextrin-attached grafted polymer, and mixing the cyclodextrin-attached grafted polymer and the base polymer for a sufficient time that the cyclodextrin-attached grafted polymer is dispersed within the base polymer. The present invention also provides several cyclodextrin-inclusion complex products formed by the method of the invention. This products include an antimicrobial polymer blend, a fragrant polymer blend, and a dyed polymer blend.
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Grafting of Cyclodextrins onto Polypropylene Nonwoven Fabrics for the Manufacture of Reactive Filters. I Synthesis Parameters, Philippe Le Thuaut et al., Journal of Applied Polymer Science, vol. 77, pp. 2118-2125 (2000).
Etherton Bradley P.
McFaddin Douglas C.
Brooks & Kushman P.C.
Equistar Chemicals L.P.
Mullis Jeffrey
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