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10/381,203 | 235535US0PCT:
NON-POROUS SPHERICAL SILICA AND METHOD FOR PRODUCTION THEREOF
Public viewApplication #
10/381,203
Confirmation #
5504
Attorney Docket #
235535US0PCT
Patent #
7,070,748
Issued - 07/04/2006
Filing or 371 (c) date
03/27/2003
Status
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 07/30/2018
Documents & transaction history
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