U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Azacycloalkane derivatives, absorption promoters containing the derivatives as the effective ingredient and external preparations containing the absorption promoters

Patent 4882359 Issued on November 21, 1989. Estimated Expiration Date: Icon_subject November 18, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3188317

3228955

3232952

N-(substituted-thiomethyl)-2-pyrrolidinones
Patent #: 3956313
Issued on: 05/11/1976
Inventor: Freyermuth ,   et al.

Vehicle composition containing 1-substituted azacyclopentan-2-ones
Patent #: 3991203
Issued on: 11/09/1976
Inventor: Rajadhyaksha

Vehicle composition containing 1-substituted azacyclononan-2-ones
Patent #: 4415563
Issued on: 11/15/1983
Inventor: Rajadhyaksha

Vehicle composition containing 1-substituted azacyclohexan-2-ones
Patent #: 4423040
Issued on: 12/27/1983
Inventor: Rajadhyaksha

Vehicle composition containing 1-substituted azacycloalkan-2-ones
Patent #: 4424210
Issued on: 01/03/1984
Inventor: Rajadhyaksha

Vehicle composition containing 1-substituted azacyclopentan-2-ones Patent #: 4444762
Issued on: 04/24/1984
Inventor: Rajadhyaksha

Inventors

Assignee

Application

No. 131193 filed on 11/18/1987

US Classes:

514/2, Peptide containing (e.g., protein, peptones, fibrinogen, etc.) DOAI424/94.1, ENZYME OR COENZYME CONTAINING424/443, Web, sheet or filament bases; compositions of bandages; or dressings with incorporated medicaments514/171, With additional active ingredient514/183, Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., O,S,Se or Te) or nitrogen as the only ring hetero atoms DOAI514/212.03, Chalcogen double bonded directly to a ring carbon of the seven-membered hetero ring which is adjacent to the ring nitrogen514/424, Chalcogen bonded directly to the five-membered hetero ring by nonionic bonding514/946, PENETRANT OR ABSORBENT (ENHANCES PENETRATION INTO SUBJECT TREATED)540/451, Chalcogen double bonded directly to a ring carbon of the hetero ring which is adjacent to the ring nitrogen (e.g., laurolactam, etc.)548/551Chalcogen attached indirectly to the five-membered hetero ring by acyclic nonionic bonding

Examiners

Primary: Springer, David B.

Attorney, Agent or Firm

Foreign Patent References

  • 871154 DE. 03/13/2012
  • 1695846 DE. 05/13/1971
  • 2114251 DE. 10/13/1971
  • 2114295 DE. 10/13/1971
  • 2117240 DE. 10/13/1971
  • 947910 GB. 01/13/1964
  • 2118438 GB. 11/13/1982
  • 2118553 GB. 11/13/1983

International Classes

A61K 031/40
A61K 031/395
A61K 047/00

Foreign Application Priority Data

1986-04-08 JP

Abstract

An azacycloalkane derivative useful for promoting the absorption of a medicine, an absorption promoting agent comprising at least one of the azacycloalkane derivatives as the effective ingredient for promoting the absorption and an external preparation containing the absorption promoting agent, the derivative being represented by the following formula ##STR1## wherein A is --CH2 -- or --S-- for example, B is sulfur or oxygen, R is --SR" in which R" is an alkyl group or alkylthioalkyl group for example, or --OR" in which R" is as defined above, an alkyl group or substituted amino group, R' is a hydrogen atom, alkyl group or alkyloxy group for example, m is an integer of 0-5 and n is an integer of 1-15.

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