Chemistry of hydrocarbon compounds – Product blend – e.g. – composition – etc. – or blending process... – Component of indefinite molecular weight greater than 150
Reexamination Certificate
2005-02-22
2005-02-22
Harlan, Robert D. (Department: 1713)
Chemistry of hydrocarbon compounds
Product blend, e.g., composition, etc., or blending process...
Component of indefinite molecular weight greater than 150
C585S010000, C585S012000, C585S511000, C585S512000, C526S160000, C526S161000, C526S943000
Reexamination Certificate
active
06858765
ABSTRACT:
A polyolefin wax for a coating material which includes an ethylene (co)polymer having a number-average molecular weight within the range of from 400 to 5000 as measured by gel permeation chromatography. The polyolefin wax has a volume average particle diameter in the range of from 0.3 μm to 20 μm wherein the relation between a particle diameter a (μm), in which the weight ratio of the large particle diameter side in weight particle-size distribution is 10%, and a particle diameter b (μm), in which the weight ratio of the small particle diameter side in weight particle size distribution is 10%, satisfies the a/b≦4 and the relation between the crystallization temperature Tc (° C.), measured at a cooling rate of 2° C./min) as measured by differential scanning calorimetry (DSC) and the density D (kg/m3) as measured by the density gradient tube method satisfies the equation 0.501×D−366≧Tc. A printing ink composition the polyolefin wax and an liquid dispersion containing particles of an ethylene polymer composition are also set forth.
REFERENCES:
patent: 6080902 (2000-06-01), Herrmann et al.
Cremer et al., Chemical Engineering Practice, vol. 3 Solid Systems, 1957, pp 8-12, Butterworths Scientific Publications, London, UK.
Rawle, “Basic Principles of Particle Size Analysis,” Technical Paper, downloaded from Malvern Instruments website @ www.malvern.co.uk, 2003.
Burns Doane , Swecker, Mathis LLP
Harlan Robert D.
Mitsui Chemicals Inc.
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