Surfactant processes

Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus esters

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

558165, 558186, C07F 909

Patent

active

059228970

ABSTRACT:
A process for the preparation of surfactants is described comprising reacting a phosphorus acid ester of the following Formula (IV) ##STR1## wherein R.sup.t is aryl, R.sup.2 is alkyl or aryl, with a hydrophilic polyoxyalkylene of the following Formulas (VIII), or (IX) ##STR2## wherein R.sup.3 is alkyl and A is a hydrophilic polyoxyalkylene chain, and which reaction results in an intermediate compound Formulas (XI), (XII), or (XIII); ##STR3## reacting the intermediate compound selected from the group consisting of Formulas (XI) through (XIII), with a hydroxylic compound R.sup.1 -OH (X) to yield surfactant precursors comprised of Formulas (V), (VI), and (VII), respectively: ##STR4## and, oxidizing said phosphorus ester-linked surfactant precursors selected from the group consisting of Formulas (V), (VI) and (VII), with an oxidizing agent to produce the surfactants.

REFERENCES:
patent: 3799956 (1974-03-01), Nakamura et al.
patent: 3819750 (1974-06-01), Shim
patent: 4072704 (1978-02-01), Langdon
patent: 4353834 (1982-10-01), Langdon
patent: 4385000 (1983-05-01), Walz et al.
patent: 4983488 (1991-01-01), Tan et al.
patent: 4996127 (1991-02-01), Haswgawa et al.
patent: 5278020 (1994-01-01), Grushkin et al.
patent: 5290654 (1994-03-01), Sacripante et al.
patent: 5308734 (1994-05-01), Sacripante et al.
patent: 5344738 (1994-09-01), Kmiecik-Lawrynowicz et al.
patent: 5346797 (1994-09-01), Kmiecik-Lawrynowicz et al.
patent: 5348832 (1994-09-01), Sacripante et al.
patent: 5364729 (1994-11-01), Kmiecik-Lawrynowicz et al.
patent: 5366841 (1994-11-01), Patel et al.
patent: 5370963 (1994-12-01), Patel et al.
patent: 5403693 (1995-04-01), Patel et al.
patent: 5405728 (1995-04-01), Hopper et al.
patent: 5418108 (1995-05-01), Kmiecik-Lawrynowicz et al.
patent: 5496676 (1996-03-01), Croucher et al.
patent: 5501935 (1996-03-01), Patel et al.
patent: 5527658 (1996-06-01), Hopper et al.
patent: 5585215 (1996-12-01), Ong et al.
patent: 5650255 (1997-07-01), Ng et al.
patent: 5650256 (1997-07-01), Veregin et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Surfactant processes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Surfactant processes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Surfactant processes will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2276872

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.