Fluoropolymer compositions and purification methods thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9809658
APP PUB NO 20160362508A1
SERIAL NO

15244148

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Described herein is a method of purifying a product and recycling water comprising the following steps:

    (i) providing a crude product comprising at least one low molecular weight fluoroorganic compounds wherein the low molecular weight fluoroorganic compounds is partially fluorinated and comprises a polar group and/or a reactive group;(ii) extracting the impurity from the product using water to form an extract,(iii) contacting the extract with a radical-forming process to degrade the low molecular weight fluoroorganic compounds into carbon dioxide, water, fluorine ions, and optionally cations; and(iv) using the water from step (iii) in step (ii)

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYST PAUL MN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hintzer, Klaus Kastl, DE 257 2983
Juergens, Michael Moenchengladbach, DE 23 94
Kaempf, Gunther J Altoetting, DE 3 7
Kaspar, Harald Burgkirchen, DE 91 1272
Koenigsmann, Herbert Burgkirchen, DE 19 263
Lochhaas, Kai H Neuotting, DE 40 262
Shyshkov, Oleg Burgkirchen, DE 12 20
Streiter, Andre Muehldorf am Inn, DE 5 6
Zipplies, Tilman C Burghausen, DE 75 321

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 May 7, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 7, 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