US patent class 95: gas separation: processes
2
votes
1answer
180 views
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 ...
prior-art-request
6
votes
2answers
522 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 ...
