Process for improving mechanical shear stability of acrylic ente

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

524765, 524767, 524833, 424490, 526181, 526216, 526225, 526229, 5262321, 526234, 5263184, C08K 541, C08K 505, C08L 3312, C08F 446

Patent

active

054161576

ABSTRACT:
Provided is a process useful for making acrylic polymers of methacrylic acid having improved shear stability. The process provides polymers useful as enteric coatings for medicaments having improved coating efficiency of pharmaceutical forms. Also provided are medicaments in solid form coated with said polymers.

REFERENCES:
patent: 3035004 (1962-05-01), Glavis
patent: 4017647 (1977-04-01), Ohno et al.
patent: 4081418 (1978-03-01), Barua et al.
patent: 4112215 (1978-09-01), Boensler et al.
patent: 4138380 (1979-02-01), Barabas
patent: 4177177 (1979-12-01), Vanderhoff et al.
patent: 4196272 (1980-04-01), Coretta et al.
patent: 4330338 (1982-05-01), Banker
patent: 4462839 (1984-07-01), McGinley et al.
patent: 4518433 (1985-05-01), McGinley et al.
patent: 4775536 (1988-10-01), Patell
patent: 4914140 (1990-04-01), Saitoh et al.
patent: 5025004 (1991-06-01), Wu et al.
patent: 5047258 (1991-09-01), Belanger et al.
patent: 5118749 (1992-06-01), Knutson
patent: 5182327 (1993-01-01), Biale
patent: 5292522 (1994-03-01), Petereit et al.
Lehmann and Dreher, Pharm. Ind., vol. 34, No. 11a, pp. 894-899 (1972).
N. Sutterlin, Makronol. Chem., Suppl. 10/11, 403-418 (1985).
K. Lehmann, APV-Informationdienst, vol. 18, No. 1, 48-60 (1972).
H. Kast, Makromol. Chem., Suppl. 10/11, 447-461 (1985).
E. S. Daniels & A. Klein, Progress in Organic Coatings, 19, 359-378 (1991).
K. Lehmann, Acta Pharmaceutica Technologica, 31 (2), (1985).
J. P. Dechesne et al, J. Pharm, Belg., vol. 37, No. 4, pp. 273-282, (1982).
J. Colloid Science, 6, 108 (1951).
J. A. Seitz, "Encyclopedia of Pharmaceutical Technology", vol. 1, Edited by J. Swarbrick and J. Boylan, 337 (1988).
G. S. Banker and G. E. Peck, Pharmaceutical Technology, 5 (4), 55-61 (1981).
R. E. Pondell, Drug Development and Industrial Pharmacy, 10 (2), 191-202 (1984).
M. B. Davis, G. E. Peck and G. S. Banker, Drug Development and Industrial Pharmacy, 12 (10), 1419-1448, (1986).
F. Gumowski, E. Doelker, and R. Gurny, Pharmaceutical Technology, 11 (2), 26-32, (1987).
R. K. Chang, C. H. Hsiao, and J. R. Robinson, Pharmaceutical Technology, 11 (3), 56-68, (1987).
J. Gardon, High Polymers, vol. 29, Wiley, New York, 143 (1977).
U.S.P. XXII/NF XVII, U.S. Pharmacoplial Convention, Inc., 1990, as USP Methacrylic Acid Copolymer-Type C.

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

Process for improving mechanical shear stability of acrylic ente does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for improving mechanical shear stability of acrylic ente, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for improving mechanical shear stability of acrylic ente will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-638362

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