Process for producing acrylic acid

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8530700
APP PUB NO 20120226074A1
SERIAL NO

13469215

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The process for the distillation of a gas mixture comprising (meth)acrylic acid obtained from the gas-phase oxidation of at least one (meth)acrylic acid precursors is improved through the use of coupled distillation columns. In a first column, the gaseous mixture is dehydrated while in a second column, the dehydrated gaseous mixture is distilled into product, overhead and bottoms streams.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
ARKEMA INCPENNSYLVANIA AMERICA

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Etzkorn, William G Hurricane, US 11 253
Fruchey, Olan S Hurricane, US 65 213
Ho, Fungau Charleston, US 9 136
Jawaid, Mahmood Cross Lanes, US 2 82
Jewell, Dennis W Angleton, US 13 201
Reeves, Christopher T Durham, US 8 133
Roundy, Roger L Rosharon, US 13 123
Yang, Edmund J Houston, US 4 90

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 Mar 10, 2025
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