Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Matrices
Reexamination Certificate
2004-08-17
2011-10-25
Tran, S. (Department: 1615)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Matrices
C424S423000, C424S443000, C523S122000
Reexamination Certificate
active
08043632
ABSTRACT:
Polymer articles are rendered antimicrobial by a process that includes contacting a chitosan solution with a polymer surface that inherently contains amino-reactive functional groups as polymerized. The process requires no pretreatment with agents such as oxidizing agents or plasma to generate the necessary functional groups at the polymer surface.
REFERENCES:
patent: 3864468 (1975-02-01), Hyman et al.
patent: 5284489 (1994-02-01), Liu et al.
patent: 5618622 (1997-04-01), Gillberg-Laforce et al.
patent: 5668193 (1997-09-01), Gouda et al.
patent: 6042877 (2000-03-01), Lyon et al.
patent: 6306835 (2001-10-01), Daly et al.
patent: 2003/0017194 (2003-01-01), Joerger et al.
patent: 2003/0091612 (2003-05-01), Sabesan
patent: 2003/0091653 (2003-05-01), Taylor et al.
patent: 2003/0152632 (2003-08-01), Sabesan et al.
patent: 2004/0247662 (2004-12-01), Dow et al.
patent: 2005/0012630 (2005-01-01), Misato
patent: 5-269181 (1993-10-01), None
patent: 2001-342435 (2001-12-01), None
patent: 010342435 (2001-12-01), None
patent: WO 99/61079 (1990-12-01), None
Machine Translation for JP 2001-342435.
JP 2001-342435A—Manual Translation.
DuPont MSDS for tradekarked product “Surlyn” Revised as of Jul. 1, 2005.
Vigo, Tyrone L., “Antimicrobial Polymers and Fibers: Retrospective and Prospective”, American Chemical Society (2001) pp. 175-200.
Chirkov, S.N. “The Antiviral Activity of Chitosan (Review)”, Applied Biochemistry and Microbiology, (2002), pp. 1-8, vol. 38, Russia.
International Search Report Dated: Jan. 24, 2005, International Appln. No. PCT/US2004/026797, International filing Date: Aug. 18, 2004, pp. (6).
Written Opinion of the International Searching Authority Dated: Jan. 24, 2005, International Appln. No. PCT/US2004/026797, International Filing Date: Aug. 18, 2004, pp. (6).
E. I. du Pont de Nemours and Company
Palenik Jeffrey T
Tran S.
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