Ann Gray

This inventor holds 3 USPTO granted patents and 2 EPO patents. Top assignees: Degussa Aktiengesellschaft, Evonik Degussa Gmbh, Evonik Degussa Gmeh. Active years: 2007-2013.

USPTO Granted Patents = 3

% Patents Active = 33.3

EPO Patents = 2

Average Co-Inventor Count = 4.3

ph-index = 3

Forward Citations = 116(Granted Patents)

Company Filing History:

1 out of 1,694

Degussa Aktiengesellschaft

Years Active: 2007-2013

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8377994 - Use of roll compacted pyrogenically produced silicon dioxide in pharmaceutical compositions (2013-02-19),

2. 8333914 - Dry liquids, and processes for their preparation (2012-12-18),

3. 7255735 - Surface-modified silicon dioxide-titanium dioxide mixed oxides (2007-08-14),

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2 patents (EPO):

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