Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1996-07-12
1999-07-13
Henderson, Christopher
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525195, 525342, 525353, 5253594, C08F 800
Patent
active
059228105
ABSTRACT:
A process for removing a protecting group from a polymer. Protected functional groups of a polymer may be deprotected by treating the polymer in the presence of an acid catalyst, including organic acids, mineral acids, heterogeneous acid systems, Lewis acids, and fluoride ion sources.
REFERENCES:
patent: 3280084 (1966-10-01), Zelinski et al.
patent: 3326881 (1967-06-01), Uraneck et al.
patent: 3639517 (1972-02-01), Kitchen et al.
patent: 3776964 (1973-12-01), Morrison et al.
patent: 3842146 (1974-10-01), Milkovich et al.
patent: 3862100 (1975-01-01), Halasa et al.
patent: 3954894 (1976-05-01), Kamienski et al.
patent: 3985830 (1976-10-01), Fetters et al.
patent: 4015061 (1977-03-01), Schulz
patent: 4039593 (1977-08-01), Kamienski et al.
patent: 4994526 (1991-02-01), Peters
patent: 5310490 (1994-05-01), Struglinski et al.
patent: 5310814 (1994-05-01), Struglinski et al.
patent: 5331058 (1994-07-01), Shepherd et al.
patent: 5336726 (1994-08-01), DuBois
patent: 5362699 (1994-11-01), Shepherd et al.
patent: 5376745 (1994-12-01), Handlin, Jr. et al.
patent: 5391663 (1995-02-01), Bening et al.
patent: 5393843 (1995-02-01), Handlin, Jr. et al.
patent: 5416168 (1995-05-01), Willis et al.
patent: 5478899 (1995-12-01), Bening
patent: 5486568 (1996-01-01), Bening et al.
D.N. Schulz et al., J. Poly. Sci. Polymer Chem. Ed. 12, 153-166 (1974).
M. Gardette et al., Tetrahedron 41, 5887-5899 (1985).
J. Almena, Tetrahedron 51, 11883-11890 (1995).
T.W. Greene and P.G.M. Wuts, Protective Groups In Organic Synthesis (John Wiley & Sons, Inc., New York 1991), pp. 41-42.
T.W. Greene and P.G.M. Wuts, Protective Groups In Organic Synthesis (John Wiley & Sons, Inc., New York 1991), pp. 80-83.
X. Franck et al., Tetrahedron Letters 36, 711-714 (1995).
M. Jung et al., J. Org. Chem. 42, 3761-3764 (1977).
Engel John F.
Granger Eric J.
Kamienski Conrad W.
Schwindeman James A.
FMC Corporation
Henderson Christopher
LandOfFree
Deprotection of protected functional polymers does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Deprotection of protected functional polymers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Deprotection of protected functional polymers will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2276352