Chan; Keng S.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chan; Keng S..The latest application filed is for "propped fracture with high effective surface area".

Company Profile

0.9.2

Chan; Keng S. - Kuala Lumpar MY
Chan, Keng S. - Sugar Land TX
Chan; Keng S. - Missouri City TX
Chan; Keng S. - Calgary CA
Chan; Keng S. - South Euclid OH

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Propped fracture with high effective surface area Grant 7,303,012 - Chan , et al. December 4, 2	2007-12-04
Propped Fracture with High Effective Surface Area App 20070102155 - Chan; Keng S. ; et al.	2007-05-10
Propped fracture with high effective surface area Grant 7,165,613 - Chan , et al. January 23, 2	2007-01-23
Propped fracture with high effective surface area Grant 7,114,567 - Chan , et al. October 3, 2	2006-10-03
Propped fracture with high effective surface area App 20050245401 - Chan, Keng S. ; et al.	2005-11-03
Low temperature, low rheology synthetic cement Grant 5,547,027 - Chan , et al. August 20, 1	1996-08-20
Delayed rigid foam systems and applications in particular for selective plugging treatments in the oil industry Grant 5,103,910 - Chan April 14, 1	1992-04-14
Method of enhanced oil recovery employing thickened amphoteric surfactant solutions Grant 4,554,974 - Kalpakci , et al. November 26, 1	1985-11-26
Caustic flooding with stabilized water for enhanced oil recovery Grant 4,466,892 - Chan , et al. August 21, 1	1984-08-21
Low viscosity water-in-oil microemulsions Grant 4,371,447 - Webb , et al. February 1, 1	1983-02-01
Technique for tertiary oil recovery Grant 4,329,236 - Alford , et al. May 11, 1	1982-05-11

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