Method for purifying a dry cleaning solvent

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C134S010000, C008S141000, C008S142000

Reexamination Certificate

active

10876123

ABSTRACT:
A method for purifying dry cleaning solvents containing laundry soils. The method employs membrane filtration to enhance the separation of the contaminants from the dry cleaning solvent.

REFERENCES:
patent: 3395086 (1968-07-01), Victor et al.
patent: 3441501 (1969-04-01), Segall et al.
patent: 3692467 (1972-09-01), Durr et al.
patent: 3733267 (1973-05-01), Haase et al.
patent: 3839176 (1974-10-01), McCoy et al.
patent: 4108599 (1978-08-01), Coll-Palagos et al.
patent: 4247674 (1981-01-01), Koshar et al.
patent: 4309247 (1982-01-01), Hou et al.
patent: 4584092 (1986-04-01), Kanematu et al.
patent: 4604205 (1986-08-01), Ayers et al.
patent: 4664754 (1987-05-01), Caputi et al.
patent: 4747960 (1988-05-01), Freeman
patent: 5057240 (1991-10-01), Madore et al.
patent: 5265734 (1993-11-01), Linder et al.
patent: 5639375 (1997-06-01), Hiroshi
patent: 5882506 (1999-03-01), Ohsol et al.
patent: 5939478 (1999-08-01), Beck et al.
patent: 6042618 (2000-03-01), Berndt et al.
patent: 6059845 (2000-05-01), Berndt et al.
patent: 6063135 (2000-05-01), Berndt et al.
patent: 6086635 (2000-07-01), Berndt et al.
patent: 6310029 (2001-10-01), Kilgour et al.
patent: 6312476 (2001-11-01), Perry et al.
patent: 6313079 (2001-11-01), Murphy et al.
patent: 6340433 (2002-01-01), Kuznicki et al.
patent: 6368359 (2002-04-01), Perry et al.
patent: 6691356 (2004-02-01), Coma
patent: 6865173 (2005-03-01), Czaja et al.
patent: 6898951 (2005-05-01), Severns et al.
patent: 6914040 (2005-07-01), Deak et al.
patent: 6930079 (2005-08-01), Deak et al.
patent: 6998377 (2006-02-01), Deak et al.
patent: 7084099 (2006-08-01), Radomyselski et al.
patent: 2001/0004062 (2001-06-01), Rutledge et al.
patent: 2002/0017493 (2002-02-01), Ehrensperger et al.
patent: 2002/0038480 (2002-04-01), Deak et al.
patent: 2002/0184715 (2002-12-01), Taylor et al.
patent: 2003/0196282 (2003-10-01), Fyvie et al.
patent: 3739711 (1989-06-01), None
patent: 299 21 805 (2000-06-01), None
patent: 0 669 152 (1995-08-01), None
patent: 0841 362 (1998-05-01), None
patent: 807200 (1959-01-01), None
patent: 61-085995 (1986-05-01), None
patent: 01 075005 (1989-03-01), None
patent: 64-75005 (1989-03-01), None
patent: 02 004430 (1990-01-01), None
patent: 7 080250 (1995-03-01), None
patent: (HEI) 07-80250 (1995-03-01), None
patent: WO 01/06051 (2001-01-01), None
patent: WO 01/27380 (2001-04-01), None
patent: WO 01/34613 (2001-05-01), None
patent: WO 01/44256 (2001-06-01), None
patent: WO 01/93977 (2001-12-01), None
patent: WO 01/94679 (2001-12-01), None
patent: WO 02/077356 (2002-10-01), 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

Method for purifying a dry cleaning solvent does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for purifying a dry cleaning solvent, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for purifying a dry cleaning solvent will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3851443

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