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US patent class 95: gas separation: processes

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2
votes
1answer
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Prior art for preparation of functionalized zeolitic frameworks

Patent #US20100186588| "PREPARATION OF FUNCTIONALIZED ZEOLITIC FRAMEWORKS", filed Jul 16, 2008, is for the preparation of functionalized zeolitic frameworks. Here is its claim 1: 1. A zeolitic ...
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544 views

Prior art for Dual Air Drying Arrangement

Many people in the commercial vehicle industry use a "twin" air drying arrangement. Patent #us8118911, originally filed Nov. 10, 2006, and was granted on Feb 21, 2012, seems ridiculous to me. For ...