BENCHMARK RESEARCH AND TECHNOLOGY, INC.
Patent Owner
Stats
- 5 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Feb 24, 2005 most recent publication
Details
- 5 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 267 Total Citation Count
- Mar 16, 1994 Earliest Filing
- 7 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5614475 Carboxyalkyl substituted polygalactomannan fracturing fluidsApr 25, 95Mar 25, 97[C23G, E21B]
5565513 Method and composition for delaying the cross-linking of water soluble polymer solutionsJun 27, 95Oct 15, 96[C08J, C08L, C08K]
5488083 Method of gelling a guar or derivatized guar polymer solution utilized to perform a hydraulic fracturing operationMar 16, 94Jan 30, 96[C09K, E21B]
5466846 Process for preparation of stable aqueous solutions of zirconium chelatesNov 16, 94Nov 14, 95[C07F]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
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