DIACETAL COMPOSITION, POLYOLEFIN NUCLEATING AGENT COMPRISING...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

Reexamination Certificate

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Details

C524S109000

Reexamination Certificate

active

06914088

ABSTRACT:
Disclosed are a granular or powdery diacetal composition comprising (A) a diacetal such as 1,3:2,4-O-dibenzylidene-D-sorbitol, (B) a sulfuric ester salt and (C) an aliphatic monocarboxylic acid, components (B) and (C) being uniformly dispersed in the particles of the granular or powdery diacetal composition, and component (B) being present in a proportion of 0.1 to 3 wt % and component (C) being present in a proportion of 0.3 to 5 wt %, and the total amount of component (B) and component (C) being not more than 7 wt %, based on the diacetal composition; a polyolefin resin composition comprising the diacetal composition and a polyolefin resin; a process for preparing the resin composition; and a molding prepared by molding the polyolefin resin composition.

REFERENCES:
patent: 5049605 (1991-09-01), Rekers
patent: 6043303 (2000-03-01), Kobayashi et al.
patent: 0964029 (1999-12-01), None
patent: 0969036 (2000-01-01), None
patent: WO99/18108 (1999-04-01), None
European Search Report dated Feb. 16, 2005.

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