Extraction and recovery of yttrium and rare earth elements

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9890441
SERIAL NO

14941434

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Methods for extraction and recovery of rare earth elements are disclosed. In one aspect, heap leaching with a leach solution comprising sulfuric acid is used to extract rare earth elements including yttrium and light and heavy rare earth elements.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM;BOARD OF REGENTS OFTHE UNIVERSITY OF TEXAS SYSTEM

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pingitore,, Jr Nicholas E El Paso, US 1 3

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 Aug 13, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 13, 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