Methods for producing emulsifiers for oil-based drilling fluids

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9868891
SERIAL NO

14461460

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Methods for making emulsifiers, emulsified drilling fluids, and methods for using the same are provided. In one or more embodiments, the method for making an emulsifier can include mixing a tall oil and a triamide. The triamide can have the chemical formula:

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
INGEVITY SOUTH CAROLINA LLC4920 O’HEAR AVENUE SUITE 400 NORTH CHARLESTON SC 29405

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cothran, Anne M Conyers, US 5 54
Hines, John B Atlanta, US 49 1291
Hurd, Phillip W Conyers, US 22 234
Johnson, Roger Scott Lilburn, US 10 210
Mpofu, David T Dunwoody, US 3 53
Rife, Nathan P Sugar Land, US 4 58

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 16, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 16, 2029
Fee Large entity fee small entity fee micro entity fee
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