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US5152986A Expired / Lapsed US ⏱️ 0.0 years remaining

Preparation and use of ion exchange resins loaded with quinolonecarboxylic acid derivatives

Assignee: Elanco Animal Health GmbH
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Filing: 1989-10-24
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Granted: 1992-10-06
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Expires: 2009-10-24
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Abstract

Abstract Known antibacterial quinolonecarboxylic acid derivatives such as ciprofloxacin are administered to animals in their food in the form of weak cation exchangers loaded therewith. The taste is much improved and the animals accept the material more readily.

Inventors

  • 👤 Peter M. Lange
  • 👤 Alfred Mitschker
  • 👤 Arundev H. Naik
  • 👤 Hubert Rast
  • 👤 Martin Scheer
  • 👤 Herbert Voege

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 03:55
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/20; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/535; A23; A23K; A23K20/00; A23K20/10; A23K20/116; A61K31/435; A61K31/44; A61K31/47; A61K31/495; A61K31/496; A61K47/00; A61K47/50; A61K47/51; A61K47/56; A61K47/58; A61K47/585; A61K9/00; A61K9/0012; A61K9/0053; A61K9/14; A61K9/16; C08J7/00; C08J7/04; C08J7/06

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 161 words
A weak carboxyl-containing cation exchange resin loaded to the extent of about 10 to 150% of its dry weight with a quinolonecarboxylic acid derivative of the formula ##STR8## in which R 1 represents methyl, ethyl, propyl, isopropyl, cyclopropyl or phenyl; R 2 represents hydrogen, alkyl having 1 to 4 carbon atoms or (5-methyl-2-oxo-1,3-dioxol-4-yl)-methyl, R 3 represents a cyclic amino group of the formula ##STR9## wherein R 4 represents hydrogen, alkyl having 1 to 4 carbon atoms, 2-hydroxyethyl, allyl, propargyl, 2-oxopropyl, 3-oxobutyl, phenacyl, formyl, CFCl 2 -S-, CFCl 2 -SO 2 -, CH 3 O-CO-S-, benzyl, 4-aminobenzyl or a radical of the formula ##STR10## R 5 represents hydrogen or methyl, R 6 represents hydrogen, alkyl having 1 to 4 carbon atoms, phenyl or benzyloxymethyl, X represents fluorine, chlorine or nitro and A represents N or C-R 9 , wherein R 9 represents hydrogen, halogen, methyl or nitro or also, together with R 1 , can form a bridge of the structure ##STR11##
Claim 2
Dependent Claim 161 words
A weak carboxyl-containing cation exchange resin loaded to the extent of about 10 to 150% of its dry weight with a quinolonecarboxylic acid derivative of the formula ##STR8## in which R 1 represents methyl, ethyl, propyl, isopropyl, cyclopropyl or phenyl; R 2 represents hydrogen, alkyl having 1 to 4 carbon atoms or (5-methyl-2-oxo-1,3-dioxol-4-yl)-methyl, R 3 represents a cyclic amino group of the formula ##STR9## wherein R 4 represents hydrogen, alkyl having 1 to 4 carbon atoms, 2-hydroxyethyl, allyl, propargyl, 2-oxopropyl, 3-oxobutyl, phenacyl, formyl, CFCl 2 -S-, CFCl 2 -SO 2 -, CH 3 O-CO-S-, benzyl, 4-aminobenzyl or a radical of the formula ##STR10## R 5 represents hydrogen or methyl, R 6 represents hydrogen, alkyl having 1 to 4 carbon atoms, phenyl or benzyloxymethyl, X represents fluorine, chlorine or nitro and A represents N or C-R 9 , wherein R 9 represents hydrogen, halogen, methyl or nitro or also, together with R 1 , can form a bridge of the structure ##STR11##
Claim 3
Dependent Claim 35 words
A weak cation exchange resin according to claim 1, in which R 3 represents ##STR12## R 4 represents hydrogen, methyl or ethyl, R 5 represents hydrogen or methyl, and R 6 represents hydrogen or methyl.
Claim 4
Dependent Claim 18 words
A weak cation exchange resin according to claim 2, in which R 5 and R 6 represent hydrogen.
Claim 5
Dependent Claim 17 words
A weak cation exchange resin according to claim 1, in which the quinolone-carboxylic acid derivative is ciprofloxacin.
Claim 6
Dependent Claim 17 words
A weak cation exchange resin according to claim 1, in which the quinolone-carboxylic acid derivative is enrofloxacin.
Claim 7
Dependent Claim 18 words
An animal feed comprising an edible material and a loaded weak cation exchange resin according to claim 1.
Claim 8
Dependent Claim 181 words
In the administration to an animal of a quinolone-carboxylic acid derivative of the formula ##STR13## in which R 1 represents methyl, ethyl, propyl, isopropyl, cyclopropyl or phenyl; R 2 represents hydrogen, alkyl having 1 to 4 carbon atoms or (5-methyl-2-oxo-1,3-dioxol-4-yl)-methyl, R 3 represents a cyclic amino group of the formula ##STR14## wherein R 4 represents hydrogen, alkyl having 1 to 4 carbon atoms, 2-hydroxyethyl, allyl, propargyl, 2-oxopropyl, 3-oxobutyl, phenacyl, formyl, CFCl 2 -S-, CFCl 2 -SO 2 -, CH 3 O-CO-S-, benzyl, 4-aminobenzyl or a radical of the formula ##STR15## R 5 represents hydrogen or methyl, R 6 represents hydrogen, alkyl having 1 to 4 carbon atoms, phenyl or benzyloxymethyl, X represents fluorine, chlorine or nitro and A represents N or C-R 9 , wherein R 9 represents hydrogen, halogen, methyl or nitro or also, together with R 1 , can form a bridge of the structure ##STR16## the improvement which comprises administering such derivative loaded to the extent of about 10 to 150% of its dry weight onto a weak carboxylic-containing cation exchange resin and admixed with the animal's feed.
Claim 9
Dependent Claim 181 words
In the administration to an animal of a quinolone-carboxylic acid derivative of the formula ##STR13## in which R 1 represents methyl, ethyl, propyl, isopropyl, cyclopropyl or phenyl; R 2 represents hydrogen, alkyl having 1 to 4 carbon atoms or (5-methyl-2-oxo-1,3-dioxol-4-yl)-methyl, R 3 represents a cyclic amino group of the formula ##STR14## wherein R 4 represents hydrogen, alkyl having 1 to 4 carbon atoms, 2-hydroxyethyl, allyl, propargyl, 2-oxopropyl, 3-oxobutyl, phenacyl, formyl, CFCl 2 -S-, CFCl 2 -SO 2 -, CH 3 O-CO-S-, benzyl, 4-aminobenzyl or a radical of the formula ##STR15## R 5 represents hydrogen or methyl, R 6 represents hydrogen, alkyl having 1 to 4 carbon atoms, phenyl or benzyloxymethyl, X represents fluorine, chlorine or nitro and A represents N or C-R 9 , wherein R 9 represents hydrogen, halogen, methyl or nitro or also, together with R 1 , can form a bridge of the structure ##STR16## the improvement which comprises administering such derivative loaded to the extent of about 10 to 150% of its dry weight onto a weak carboxylic-containing cation exchange resin and admixed with the animal's feed.
Claim 10
Dependent Claim 32 words
The method according to claim 7, in which R 3 represents ##STR17## R 4 represents hydrogen, methyl or ethyl, R 5 represents hydrogen or methyl, and R 6 represents hydrogen or methyl.
Claim 11
Dependent Claim 15 words
The method according to claim 7, in which R 5 and R 6 represent hydrogen.
Claim 12
Dependent Claim 14 words
The method according to claim 7, in which the quinolone-carboxylic acid derivative is ciprofloxacin.
Claim 13
Dependent Claim 14 words
The method according to claim 7, in which the quinolone-carboxylic acid derivative is enrofloxacin.

References Cited (Backward Citations)

US3051623A Cited
US3317388A Cited
US4762709A Cited
US4980353A Cited
US4871832A Cited
US4826982A Cited
US4874764A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-10-06 1996-04-06 1996-10-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-10-06 2000-04-06 2000-10-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-10-06 2004-04-06 2004-10-06 $7700.00 Window Closed / Lapsed

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