Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2009-09-23
2011-12-20
Szekely, Peter (Department: 1761)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S133000
Reexamination Certificate
active
08080599
ABSTRACT:
A thermoplastic polyester composition comprises, based on the total weight of the composition, from 20 to 95 wt. % of a polyester comprising a poly(alkylene terephthalate); from 1 to 35 wt. % of a phosphorous flame retardant consisting of a phosphinate of the formula (I)in-line-formulae description="In-line Formulae" end="lead"?[(R1)(R2(PO)—O]−mMm+ (I),in-line-formulae description="In-line Formulae" end="tail"?a diphosphinate of the formula (II)in-line-formulae description="In-line Formulae" end="lead"?[(O—POR1)(R3)(POR2—O)]2−nMm+x (II), and/orin-line-formulae description="In-line Formulae" end="tail"?a polymer derived from the phosphinate of formula (I) or the diphosphinate of the formula (II); from 0.1 to less than 20 wt. % of a copolyetherester; from 0.1 to 5 wt. % of an anti-dripping agent; from 0 to 4.5 wt. % of a reinforcing fiber; and from 0 to 5 wt. % of an additive selected from the group consisting of a mold release agent, an antioxidant, a thermal stabilizer, and a UV stabilizer.
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International Search Report and Written Opinion; International Application No. PCT/US2010/049929; International Filing Date Sep. 23, 2010; 11 pages.
Dupont Product and Properties Guide for Hytrel Polyester Elastomer, 12 pages.
Ding Tianhua
Fonseca Rodney
Kim Sung Dug
Van Der Weele Chris
Cantor & Colburn LLP
Eyl Diderico van
Sabic Innovative Plastics IP B.V.
Szekely Peter
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