Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2006-01-18
2009-12-08
Jagannathan, Vasu (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S285000, C524S112000, C524S567000, C524S543000, C524S292000, C428S411100
Reexamination Certificate
active
07629413
ABSTRACT:
C9to C11alkyl benzoates are used as plasticisers for polyvinyl chloride in particular in combination with plasticisers such as di-2-ethyl hexyl phthalate, diisononyl phthalate, di-2-propyl heptyl phthalate, diisodecyl phthalate or di-2-ethyl hexyl terephthalate. The use of the C9to C11alkyl benzoates provides low viscosity low volatility plasticisers, which are fast fusing with lower hot bench gelation temperature and which can be used to reduce the staining problems associated with use of di-2-ethyl hexyl phthalate and diisononyl phthalate. The low viscosity of the C9to C11alkyl benzoates allows the formulation of solvent free flexible PVC formulations meeting stringent VOC limitations.
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Arendt et al., “Trimethylpentanediol Dibenzoate: New Plasticizer for Plastisol Screen Ink,” Reprinted from Journal of Vinyl Technology, Mar. 1994, vol. 16, No. 1, pp. 51-56.
Velsicol Chemical Corporation, “Benzoflex® 131,” Product Information Bulletin, pp. 1-3.
Godwin Allen David
Naert Didier
Arechederra, III Leandro
Exxonmobil Chemical Patents Inc.
Griffis Andrew B.
Jagannathan Vasu
Kollias Alexander C
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