Drug – bio-affecting and body treating compositions – Inorganic active ingredient containing – Phosphorus or phosphorus compound
Reexamination Certificate
2008-01-29
2008-01-29
Pak, John (Department: 1616)
Drug, bio-affecting and body treating compositions
Inorganic active ingredient containing
Phosphorus or phosphorus compound
C424S489000, C424S641000, C424S076800, C424S076900, C424S078080, C514S693000, C514S698000, C514S738000, C514S772200, C422S005000, C422S028000
Reexamination Certificate
active
11180256
ABSTRACT:
The present invention relates to a hydrophilic antimicrobial coating composition for an air conditioner evaporator of a vehicle with improved durability. In one embodiment of the present invention, the antimicrobial composition comprises a hydrophilic organic polymer with molecular weight in the range of about 4,000 to 8,000, a smoothing agent, an antimicrobial agent, and deionized water. In particular, the degree of polymerization between the hydrophilic functional group and a crosslinking group of the hydrophilic organic polymer is greatly improved. The antimicrobial composition is prepared with particles with a diameter of a few nanometers, which increases the number of particles per unit area and reduces the decomposition rate of the coated layer.
Hyundai Motor Company
Morgan & Lewis & Bockius, LLP
Pak John
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