Process for preparing sulfonated arylphosphines

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7102034
APP PUB NO 20050171377A1
SERIAL NO

11007399

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A process for preparing sulfonated arylphosphines by reaction of arylphosphines with oleum, wherein, after reaction of the arylphosphines with oleum, the sulfonation mixture is firstly diluted with water, an inert gas stream is then passed through the diluted sulfonation mixture until SO.sub.2 is no longer liberated from the diluted sulfonation mixture and the latter is then worked up further in a customary manner and its use.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
OXEA GMBH46147 OBERHAUSEN

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bahrmann, Helmut Hamminkeln, DE 79 502
Bergrath, Klaus Oberhausen, DE 9 49
Bohnen, Hans Moers, DE 24 295
Eckl, Robert Munich, DE 14 34
Fenske, Wilfried Hamminkeln, DE 10 85
Fischer, Richard Oberhausen, DE 37 237
Frohning, Carl D Wesel, DE 16 147
Greb, Wolfgang Dinslaken, DE 35 162
Herwig, Jurgen Hunxe, DE 12 91
Rampf, Florian Burghausen, DE 15 57
Riedel, Michael Bay City, TX 72 750
Schalapski, Kurt Oberhausen, DE 20 48
Wiebus, Ernst Oberhausen, DE 36 235
Zgorzel-Ski, Wolfgang Oberhausen, DE 4 10

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation