System for producing low impurity polyester

Details System for producing low impurity polyester System for producing low impurity polyester

2007-12-07

2010-11-16

Teskin, Fred M (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Removing and recycling removed material from an ongoing...

C528S272000, C560S098000, C422S132000

Reexamination Certificate

active

07834109

ABSTRACT:
A polyester production facility capable of producing an esterified product stream having a low impurity concentration relative to product streams produced in conventional polyester production facilities.

REFERENCES:
patent: 3174830 (1965-03-01), Watzl et al.
patent: 3590072 (1971-06-01), Leybourne
patent: 3644096 (1972-02-01), Lewis et al.
patent: 3644483 (1972-02-01), Griehl et al.
patent: 3927982 (1975-12-01), Chapman et al.
patent: 4146729 (1979-03-01), Goodley et al.
patent: 5324853 (1994-06-01), Jones et al.
patent: 5811496 (1998-09-01), Iwasyk
patent: 6096838 (2000-08-01), Nakamoto et al.
patent: 6100369 (2000-08-01), Miyajima et al.
patent: 6641700 (2003-11-01), Matsumoto et al.
patent: 6815525 (2004-11-01), DeBruin
patent: 6906164 (2005-06-01), DeBruin
patent: 6979752 (2005-12-01), Bertola et al.
patent: 7074879 (2006-07-01), DeBruin et al.
patent: 7084234 (2006-08-01), Wilhelm et al.
patent: 7115701 (2006-10-01), Van Endert et al.
patent: 7345139 (2008-03-01), DeBruin
patent: 7649109 (2010-01-01), DeBruin
patent: 2002/0161166 (2002-10-01), Nakane et al.
patent: 2003/0104203 (2003-06-01), Tam et al.
patent: 2004/0197618 (2004-10-01), Harada et al.
patent: 2005/0222371 (2005-10-01), Wilhelm et al.
patent: 2007/0112173 (2007-05-01), Kampf
patent: 2008/0051529 (2008-02-01), Kampf
patent: 2008/0139760 (2008-06-01), DeBruin
patent: 2008/0139779 (2008-06-01), DeBruin
patent: 2008/0139780 (2008-06-01), DeBruin
patent: 0105111 (1984-04-01), None
patent: 1122538 (1968-07-01), None
patent: 1277376 (1972-06-01), None
patent: 2004/238329 (2004-08-01), None
patent: WO 2006/083250 (2006-08-01), None
patent: WO 2008/073288 (2008-06-01), None
Co-pending U.S. Appl. No. 11/715,564, filed Mar. 8, 2007.
Co-pending U.S. Appl. No. 11/715,546, filed Mar. 8, 2007.
International Search Report for PCT/US2008/013038 dated Apr. 6, 2009.
International Search Report for PCT/US2008/002270 dated Jun. 20, 2008.
International Search Report for PCT/US2008/002298 dated Jul. 31, 2008.
International Search Report for PCT/US2007/024926 dated Oct. 22, 2008.
International Search Report for PCT/US2007/025045 dated Jun. 13, 2008.
International Search Report for PCT/US2007/024931 dated Jun. 24, 2008.
Ekivina, N. I. et al., “Structure Formation in Terephthalic Acid Pastes,” 1968, Chemical Abstracts Service, Columbus, OH.
Office Action dated Apr. 21, 2009 in copending U.S. Appl. No. 11/635,360.
Office Action dated Jan. 11, 2010 in copending U.S. Appl. No. 11/635,360.
Office Action dated Apr. 21, 2009 in copending U.S. Appl. No. 11/635,448.
Office Action dated Jan. 30, 2009 in copending U.S. Appl. No. 11/715,546.
Office Action dated Aug. 4, 2009 in copending U.S. Appl. No. 11/715,546.

Affiliated with

Also associated with

Rating

System for producing low impurity polyester does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System for producing low impurity polyester, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System for producing low impurity polyester will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4250273