Method for recovering potassium sulphate from biodiesel production

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8968689
APP PUB NO 20130230439A1
SERIAL NO

13885434

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A method is disclosed for treating residues from biodiesel production for the isolation of highly pure potassium sulphate from potassium sulphate-containing sludge. First, potassium sulphate-containing sludge from biodiesel production is heated in the first stage under non-oxidizing conditions to a material temperature between 400 and 700° C.; in a second stage the product from the first stage is heated under oxidizing conditions to material temperatures between 700 and 900° C.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
REMONDIS PRODUCTION GMBHBRUNNENSTRASSE 138 LUENEN 44536

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huebner, Andreas Nordhausen, DE 3 19
Schiffer, Alfred Luenen, DE 6 10

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 Sep 3, 2026
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