Filtration process for purifying liquid azole heteroaromatic compound-containing mixtures

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9309205
SERIAL NO

14064465

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A process for removing impurities from a liquid azole heteroaromatic compound-containing (e.g., triazole-containing) mixture by: (a) providing a liquid azole heteroaromatic compound-containing mixture having impurities; and (b) passing the azole heteroaromatic compound-containing mixture through at least one filtration membrane which is a nanofiltration membrane and/or ultrafiltration membrane having a molecular pore size in the range of from about 200 daltons to about 1 kilodaltons to provide a permeate that is an at least partially purified azole heteroaromatic compound-containing mixture and a retentate with at least some impurities.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
WINCOM INC11444 DEERFIELD ROAD SUITE B BLUE ASH OH 45242-2114

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lees, Michael E Cincinnati, US 2 2
Milawski, James E Maineville, US 8 21
Vogt, Peter F Loveland, US 13 80
Wessel, Alexander J Erlanger, US 2 2

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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 12, 2027
Fee Large entity fee small entity fee micro entity fee
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