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US4095028A Expired / Lapsed US ⏱️ 0.0 years remaining

Substituted dioxamic acid esters

Assignee: Pharmacia and Upjohn Co
•
Filing: 1976-08-16
•
Granted: 1978-06-13
•
Expires: 1996-08-16
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Abstract

Abstract Compounds represented below ##STR1## and pharmaceutical compositions thereof, the compositions including the non-substituted phenylene dioxamates are useful in the prophylactic treatment of sensitized mammals for allergy and all anaphylactic reactions of a reagin or non-reagin mediated nature.

Inventors

  • 👤 Charles M. Hall
  • 👤 John B. Wright

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 17:45
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/275; A61K31/277; A61K47/00; A61K47/06; A61K47/08; A61K47/14; A61K47/26; A61K47/44; A61K9/00; A61K9/0012; A61K9/0019; A61K9/0043; A61K9/007; A61K9/0073; A61K9/08; A61K9/14; A61K9/16; A61K9/1605; A61K9/1611; A61K9/20; A61K9/2004; A61K9/2009; A61K9/2022; A61K9/205; A61K9/2054; A61K9/2059

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 52 words
A compound of the formula ##STR49## wherein R is alkyl of one to three carbon atoms, inclusive; Z is trifluoromethyl or ##STR50## wherein D is hydrogen or alkyl of one to three carbon atoms, inclusive; Y is hydrogen, methyl or chloro, with the proviso that when Z is trifluoromethyl, Y is chloro.
Claim 2
Dependent Claim 52 words
A compound of the formula ##STR49## wherein R is alkyl of one to three carbon atoms, inclusive; Z is trifluoromethyl or ##STR50## wherein D is hydrogen or alkyl of one to three carbon atoms, inclusive; Y is hydrogen, methyl or chloro, with the proviso that when Z is trifluoromethyl, Y is chloro.
Claim 3
Dependent Claim 15 words
A compound in accordance with claim 1 wherein Y is 2-chloro and Z is 5-trifluoromethyl.
Claim 4
Dependent Claim 15 words
A compound in accordance with claim 1 wherein Y is 2-methyl and Z is 5-carboxy.
Claim 5
Dependent Claim 15 words
A compound in accordance with claim 1 wherein Y is 2-chloro and Z is 5-carboxy.
Claim 6
Dependent Claim 15 words
A compound in accordance with claim 1 wherein Y is hydrogen and Z is 5-carboxy.
Claim 7
Dependent Claim 11 words
A compound in accordance with claim 2 wherein R is ethyl.
Claim 8
Dependent Claim 11 words
A compound in accordance with claim 3 wherein R is ethyl.
Claim 9
Dependent Claim 21 words
A compound in accordance with claim 1 wherein R is ethyl, Y is chloro, Z is ##STR51## and D is methyl.
Claim 10
Dependent Claim 21 words
A compound in accordance with claim 1 wherein R is ethyl, Y is hydrogen, Z is ##STR52## and D is methyl.
Claim 11
Dependent Claim 53 words
Compounds of the formula ##STR53## wherein R is selected from the group consisting of, alkyl of from one to three carbon atoms; Z is selected from the group consisting of hydrogen, alkyl of from one to three carbon atoms, inclusive, alkoxy of from one to three carbon atoms, inclusive, fluoro, chloro, and bromo.
Claim 12
Dependent Claim 53 words
Compounds of the formula ##STR53## wherein R is selected from the group consisting of, alkyl of from one to three carbon atoms; Z is selected from the group consisting of hydrogen, alkyl of from one to three carbon atoms, inclusive, alkoxy of from one to three carbon atoms, inclusive, fluoro, chloro, and bromo.
Claim 13
Dependent Claim 15 words
A compound in accordance with claim 10 wherein Z is chloro and R is ethyl.
Claim 14
Dependent Claim 17 words
A compound of the formula ##STR54## wherein R is alkyl of one to three carbon atoms, inclusive.
Claim 15
Dependent Claim 17 words
A compound of the formula ##STR54## wherein R is alkyl of one to three carbon atoms, inclusive.
Claim 16
Dependent Claim 11 words
A compound in accordance with claim 12 wherein R is ethyl.

References Cited (Backward Citations)

FR1338399A Cited
US3639249A Cited
US3966965A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-06-12 1981-12-12 1982-06-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-06-12 1985-12-12 1986-06-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-06-12 1989-12-12 1990-06-13 $7700.00 Window Closed / Lapsed

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