Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2006-12-08
2010-12-21
Choi, Ling-Siu (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S318000, C526S317100, C560S178000, C560S176000, C131S334000, C131S345000, C131S332000, C131S340000
Reexamination Certificate
active
07855261
ABSTRACT:
Disclosed are filter elements constructed of a filter support material coated with an acetoacetate-functional polymeric composition that reacts with and removes aldehydes, especially formaldehyde, present in gases such as air. Also disclosed are methods for the removal of aldehydes utilizing the coated filter support materials.
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Kuo Thauming
Liang Weimin Chen
Vineyard Mark Kevin
Carrier Michael K.
Choi Ling-Siu
Eastman Chemical Company
Graves, Jr. Bernard J.
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