Antibiotic zeolite

Patent 4938958 Issued on July 3, 1990. Estimated Expiration Date:

December 2, 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.

Abstract Claims Description Full Text

Patent References

Particle-packed fiber article having antibacterial property Patent #: 4525410
Issued on: 06/25/1985
Inventor: Hagiwara , et al.

Inventors

Niira, Reiji (deceased)JP: Yamamoto; Tatuo; Inazawa, ;
Uchida, Masashi

Assignee

Application

No. 127645 filed on 12/02/1987

US Classes:

424/78.1, Ion exchange resin424/617, Heavy metal or compound thereof424/618, Silver424/630, Copper424/641, Zinc424/688, Oxide or hydroxide424/719, Ammonia or ammonium compound containing521/25, ION-EXCHANGE POLYMER OR PROCESS OF PREPARING521/63, Cellular product-forming process wherein the removable material is present or is produced in situ during the solid polymer formation step523/122, Composition having ingredient providing biocidal or biostatic protection thereto or process of preparing524/450Metal atom other than aluminum, e.g., zeolites, etc.

Examiners

Primary: Schofer, Joseph L.
Assistant: Pili-Curtis, Carmen

Attorney, Agent or Firm

Jacobs & Jacobs

Foreign Patent References

23546 AU. 07/13/1984
61818 AU. 05/13/1986
13-4422 JP. 02/13/2012
52-92000 JP. 02/13/1977
55-38358 JP. 02/13/1980
55-164236 JP. 02/13/1980
57-77022 JP. 02/13/1982
59-37956 JP. 08/13/1984
59-133235 JP. 09/13/1984
60-64611 JP. 02/13/1985
60-178810 JP. 02/13/1985
60-181002 JP. 02/13/1985
60-184325 JP. 02/13/1985
60-202162 JP. 02/13/1985
60-174707 JP. 03/13/1985
60-181370 JP. 05/13/1985
60-79433 JP. 09/13/1985
60-136796 JP. 11/13/1985
60-100504 JP. 12/13/1985
60-136795 JP. 12/13/1985
61-137564 JP. 02/13/1986
61-138647 JP. 02/13/1986
61-138658 JP. 02/13/1986
61-138795 JP. 02/13/1986
61-103401 JP. 03/13/1986
61-232253 JP 10/13/1986
62-7746 JP. 02/13/1987
62-7747 JP. 02/13/1987
62-41775 JP. 02/13/1987
62-70221 JP. 02/13/1987
62-195037 JP. 02/13/1987
62-195038 JP. 02/13/1987
62-238900 JP. 02/13/1987
62-241932 JP. 02/13/1987
62-241939 JP. 02/13/1987
62-243665 JP. 02/13/1987
62-7748 JP. 01/13/1987

International Classes

A61K 031/74
A01N 059/16
A01N 059/20
A01N 059/00

Foreign Application Priority Data

1986-12-05 JP

Abstract

An antibiotic zeolite and an antibiotic resin composition containing thereof are provided. The antibiotic zeolite is prepared by replacing all or a part of ion-exchangeable ions in zeolite with ammonium ions and antibiotic metal ions such as silver, copper, zinc, mercury, tin, lead, bismuth, cadmium, chromium and thallium. The antibiotic resin composition comprises the antibiotic zeolite and a resin such as polyethylene, polypropylene, polyvinyl chloride and polystyrene.

Other References

Donald W. Breck, Structure, Chemistry, and Use John Wiley & Sons, New York, 1964, pp. 19-27
Daniel S. Barker, the American Mineralogist, vol. 49, 1964, pp. 851-857
Richard C. Erd, et al., the American Mineralogist, vol. 49, 1964, pp. 831-85