Inventor
Jan Pieter Vijn
Inventor
Leiderdorp, NL
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere38%
C04BLime, magnesia34%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
C10GCracking hydrocarbon oils3%
E21BEarth or rock drilling3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
PatentTitleYear
9,587,155'Emulsion breakers including polyester functionalities'20179,567,509'Low dosage polymeric naphthenate inhibitors'20177,238,733'Storable water-silica suspensions and methods'20077,060,129'Process for controlling gas migration during well cementing'20066,978,835'Methods of cementing in subterranean formations'20056,953,090'Cementing subterranean zones using cement compositions containing biodegradable dispersants'20056,936,574'Process for controlling gas migration during well cementing'20056,814,798'Storable water-microsphere suspensions for use in well cements and methods'20046,811,603'Methods, well cement compositions and lightweight additives therefor'20046,800,128'Whey protein retarder'20046,776,237'Lightweight well cement compositions and methods'20046,730,636'Environmentally acceptable well cement fluid loss control additives, compositions and methods'20046,644,405'Storable water-microsphere suspensions for use in well cements and methods'20036,631,766'Methods, well cement compositions and lightweight additives therefor'20036,626,992'Environmentally acceptable well cement fluid loss control additives, compositions, and methods'20036,610,140'Delayed thixotropic cement compositions and methods'20036,591,909'Whey protein retarder'20036,562,122'Lightweight well cement compositions and methods'20036,457,523'Delayed thixotropic cement compositions and methods'20026,405,801'Environmentally acceptable well cement fluid loss control additives, compositions and methods'20026,182,758'Dispersant and fluid loss control additives for well cements, well cement compositions and methods'20015,588,488'Cementing multi-lateral wells'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996Patents assigned to HALLIBURTON CO (1)· patent assignee history
1996–2007Based in Leiderdorp, NL· patent location history
2001–2007Patents assigned to HALLIBURTON ENERGY SERV INC (18)· patent assignee history
2001Based in The Netherlands, US· patent location history
2002–2004Patents assigned to HERCULES INC (3)· patent assignee history
2002–2004Based in Leiden, NL· patent location history
2004Based in Liederdorp, NL· patent location history
2005Patents assigned to DEGUSSA CONSTRUCTION POLYMERS (1)· patent assignee history
2017Patents assigned to ECOLAB USA INC (2)· patent assignee history
2017Based in Nijmegen, NL· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERV INC | 18 | 2001–2007 |
| HERCULES INC | 3 | 2002–2004 |
| ECOLAB USA INC | 2 | 2017 |
| DEGUSSA CONSTRUCTION POLYMERS | 1 | 2005 |
| HALLIBURTON CO | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Leiderdorp, NL | 11 | 1996–2007 |
| Leiden, NL | 7 | 2002–2004 |
| Nijmegen, NL | 2 | 2017 |
| Liederdorp, NL | 1 | 2004 |
| The Netherlands, US | 1 | 2001 |