Fluorinated sulfonate surfactants

Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfur containing

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C568S018000, C568S300000, C568S579000

Reexamination Certificate

active

07399887

ABSTRACT:
A compound comprising Formula I, or a mixture thereof,whereinY is a bond or CmH2m−p(OA)pwherein m is 0 to 4, and p is 0 or 1,X′ is X or H,X is CH2CH2OA, CH(CH2OA)2, C(CH2OA)3, orX and X′ combine to form (CH2CH2)2NCH2CH2OA or (CH2CH2)2O, provided that when X and X′ combine to form (CH2CH2)2O then Y is CH2CH(OA)CH2,A is CF2CFHO—Rfor H,Rfis CnF2n+1wherein n is an integer of 1 to about 6,M is a cation having a charge equal to a, anda is a positive integer equal to 1 or 2,provided that at least one of X, X′, or Y contains A equal to CF2CFHO—Rf,and its use in lowering surface tension and imparting improved surface effects.

REFERENCES:
patent: 3453333 (1969-07-01), Litt et al.
patent: 3547861 (1970-12-01), Anello et al.
patent: 4089804 (1978-05-01), Falk
patent: 4098811 (1978-07-01), Falk
patent: 4171282 (1979-10-01), Mueller
patent: 4460791 (1984-07-01), Cooke
patent: 4877815 (1989-10-01), Buckmaster et al.
patent: 4993448 (1991-02-01), Karydas et al.
patent: 5023279 (1991-06-01), Buckmaster et al.
patent: 5668233 (1997-09-01), Feiring et al.
patent: 6664329 (2003-12-01), Gwin et al.
patent: 6727309 (2004-04-01), Paiva et al.
patent: 6919173 (2005-07-01), Tsionsky et al.
patent: 6989035 (2006-01-01), Scheper et al.
patent: 7087710 (2006-08-01), Medsker et al.
patent: 7144431 (2006-12-01), Gardner et al.
patent: 7164041 (2007-01-01), Moore et al.
patent: 2003/0181572 (2003-09-01), Tan et al.
patent: 2005/0096244 (2005-05-01), Andenaert et al.
patent: 2007/0004938 (2007-01-01), Guerra
patent: 861660 (1978-03-01), None
patent: 1 337 467 (1973-11-01), None
patent: 55157691 (1980-12-01), None
patent: 55158065 (1980-12-01), None
patent: 58038569 (1983-03-01), None
patent: 58038571 (1983-03-01), None
patent: WO 2005/085187 (2005-09-01), None

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

Fluorinated sulfonate surfactants does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-2797817

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