Masterbatch pellet mixture

Details Masterbatch pellet mixture Masterbatch pellet mixture

2007-07-24

2007-07-24

Seidleck, James J. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S207000, C523S210000, C523S221000, C523S351000, C523S440000

Reexamination Certificate

active

10509674

ABSTRACT:
A mixture including a high specific gravity masterbatch pellets group (A) with specific gravity within a range from 1.8 to 3.5, and a low specific gravity masterbatch pellets group (B) with specific gravity within a range from 0.5 to 1.6. The high specific gravity masterbatch pellets group (A) comprises m different columnar masterbatch pellets, each with a different specific gravity, and the low specific gravity masterbatch pellets group (B) comprises n different columnar masterbatch pellets, each with a different specific gravity. The high specific gravity masterbatch pellets group (A) and the low specific gravity masterbatch pellets group (B) satisfy a formula (1) shown below:0.5⁢⁢(mm-1)≦∑p=1m⁢(HpSp×Rp)-∑q=1n⁢(HqSq×Rq)≦12⁢⁢(mm-1)⁢.(1)

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European Search Report dated Feb. 9, 2005, for PCT/JP04/06195, Apr. 28, 2004.

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