Drilling fluid compositions containing superparamagnetic nanoparticles

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12012544
SERIAL NO

17935950

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The invention is directed to hydrophilic and hydrophobic superparamagnetic nanoparticles and their use as contrast agents for NMR including agents that distinguish oil and water in NMR logging of geological formations containing oil or water. Methods of making these SPIONs are also described.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSP O BOX 5071 INNOVATION AND INDUSTRIAL RELATION INNOVATION CLUSTER BUILDING DTV DHAHRAN 31261

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arshad, Shahid Ali Muhammad Dhahran, SA 3 4
Khan, Safyan A Dhahran, SA 9 6
Morsy, Mohamed A Dhahran, SA 32 8

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Dec 18, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Dec 18, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 18, 2035
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00