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United Kingdom Intellectual Property Office Decisions |
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You are here: BAILII >> Databases >> United Kingdom Intellectual Property Office Decisions >> Degussa -Huls AG (Patent) [2004] UKIntelP o18004 (18 June 2004) URL: http://www.bailii.org/uk/cases/UKIntelP/2004/o18004.html Cite as: [2004] UKIntelP o18004 |
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For the whole decision click here: o18004
Summary
The claims were directed to a hydrophobic, pyrogenically produced silica having a tamped density of 55-200 g/l, hydrophobised by reaction with a halogen-free silane or siloxane and compacted by a roller compactor or belt filter press. In an oral decision, the hearing officer held that the claims lacked inventive step in the light of a prior specification in the applicants name disclosing all these features except that the hydrophobising agent was not halogen-free.
