Vijn; Jan Pieter

Patent Applications and Registrations

Patent applications and USPTO patent grants for Vijn; Jan Pieter.The latest application filed is for "aqueous silica dispersion".

Company Profile

1.20.20

Vijn; Jan Pieter - Leiden NL
Vijn; Jan Pieter - Nijmegen NL
Vijn; Jan Pieter - Leiderdorp NL
Vijn; Jan Pieter - Liederdorp NL
Vijn, Jan Pieter - Leiderdoap NL
Vijn; Jan Pieter - Netherlands GB

*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
Aqueous silica dispersion Grant 11,447,681 - Pindiprolu , et al. September 20, 2	2022-09-20
Aqueous Silica Dispersion App 20220127511 - PINDIPROLU; Sairam KS ; et al.	2022-04-28
Emulsion breakers including polyester functionalities Grant 9,587,155 - Qu , et al. March 7, 2	2017-03-07
Emulsion Breakers Including Polyester Functionalities App 20130324446 - Qu; Liangwei ; et al.	2013-12-05
Storable water-silica suspensions and methods Grant 7,238,733 - Vijn , et al. July 3, 2	2007-07-03
Process for controlling gas migration during well cementing Grant 7,060,129 - Dao , et al. June 13, 2	2006-06-13
Methods of cementing in subterranean formations Grant 6,978,835 - Reddy , et al. December 27, 2	2005-12-27
Cementing subterranean zones using cement compositions containing biodegradable dispersants Grant 6,953,090 - Vijn , et al. October 11, 2	2005-10-11
Process for controlling gas migration during well cementing Grant 6,936,574 - Dao , et al. August 30, 2	2005-08-30
Process for controlling gas migration during well cementing App 20050160947 - Dao, Bach ; et al.	2005-07-28
Storable water-silica suspensions and methods App 20050038127 - Vijn, Jan Pieter ; et al.	2005-02-17
Storable water-microsphere suspensions for use in well cements and methods App 20050011412 - Vijn, Jan Pieter ; et al.	2005-01-20
Storable water-microsphere suspensions for use in well cements and methods Grant 6,814,798 - Vijn , et al. November 9, 2	2004-11-09
Methods, well cement compositions and lightweight additives therefor Grant 6,811,603 - Brothers , et al. November 2, 2	2004-11-02
Whey protein retarder Grant 6,800,128 - Dao , et al. October 5, 2	2004-10-05
Lightweight well cement compositions and methods Grant 6,776,237 - Dao , et al. August 17, 2	2004-08-17
Cementing subterranean zones using cement compositions containing biodegradable dispersants App 20040099416 - Vijn, Jan Pieter ; et al.	2004-05-27
Environmentally acceptable well cement fluid loss control additives, compositions and methods Grant 6,730,636 - Vijn , et al. May 4, 2	2004-05-04
Process for controlling gas migration during well cementing App 20040048751 - Dao, Bach ; et al.	2004-03-11
Methods, well cement compositions and lightweight additives therefor App 20040007163 - Brothers, Lance E. ; et al.	2004-01-15
Methods, well cement compositions and lightweight additives therefor App 20040003759 - Brothers, Lance E. ; et al.	2004-01-08
Cementing Subterranean Zones Using Cement Compositions Containing Biodegradable Dispersants App 20030230407 - Vijn, Jan Pieter ; et al.	2003-12-18
Storable water-microsphere suspensions for use in well cements and methods Grant 6,644,405 - Vijn , et al. November 11, 2	2003-11-11
Methods, well cement compositions and lightweight additives therefor Grant 6,631,766 - Brothers , et al. October 14, 2	2003-10-14
Environmentally acceptable well cement fluid loss control additives, compositions, and methods Grant 6,626,992 - Vijn , et al. September 30, 2	2003-09-30
Storable water-silica suspensions and methods App 20030181542 - Vijn, Jan Pieter ; et al.	2003-09-25
Storable water-microsphere suspensions for use in well cements and methods App 20030177954 - Vijn, Jan Pieter ; et al.	2003-09-25
Storable Water-microsphere Suspensions For Use In Well Cements And Methods App 20030177955 - Vijn, Jan Pieter ; et al.	2003-09-25
Whey protein retarder App 20030172848 - Dao, Bach ; et al.	2003-09-18
Delayed thixotropic cement compositions and methods Grant 6,610,140 - Vijn , et al. August 26, 2	2003-08-26
Lightweight well cement compositions and methods App 20030150615 - Dao, Bach ; et al.	2003-08-14
Methods, well cement compositions and lightweight additives therefor App 20030101912 - Brothers, Lance E. ; et al.	2003-06-05
Lightweight well cement compositions and methods Grant 6,562,122 - Dao , et al. May 13, 2	2003-05-13
Lightweight well cement compositions and methods App 20030000423 - Vijn, Jan Pieter ; et al.	2003-01-02
Environmentally acceptable well cement fluid loss control additives, compositions and methods App 20020173430 - Vijn, Jan Pieter ; et al.	2002-11-21
Environmentally acceptable well cement fluid loss control additives, compositions and methods App 20020162486 - Vijn, Jan Pieter ; et al.	2002-11-07
Delayed thixotropic cement compositions and methods Grant 6,457,523 - Vijn , et al. October 1, 2	2002-10-01
Delayed thixotropic cement compositions and methods App 20020134283 - Vijn, Jan Pieter ; et al.	2002-09-26
Environmentally acceptable well cement fluid loss control additives, compositions and methods Grant 6,405,801 - Vijn , et al. June 18, 2	2002-06-18
Dispersant and fluid loss control additives for well cements, well cement compositions and methods Grant 6,182,758 - Vijn February 6, 2	2001-02-06

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