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

Swimming pool treatment

Patent 5935518 Issued on August 10, 1999. Estimated Expiration Date: Icon_subject December 11, 2016. 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

2393293

3428576

Water treatment for controlling the growth of algae employing biguanides
Patent #: 4014676
Issued on: 03/29/1977
Inventor: Carter ,   et al.

Methods and compositions for the control of harmful organisms containing aliphatic primary diamines
Patent #: 4304590
Issued on: 12/08/1981
Inventor: Grade ,   et al.

Carpet containing sanitizing compounds and methods
Patent #: 4608289
Issued on: 08/26/1986
Inventor: McIntosh

Disinfecting and preserving systems and methods of use
Patent #: 4758595
Issued on: 07/19/1988
Inventor: Ogunbiyi ,   et al.

Disinfecting and preserving systems and methods of use
Patent #: 4836986
Issued on: 06/06/1989
Inventor: Ogunbiyi ,   et al.

Biocidal compositions comprising polyhexamethylene biguanide and EDTA, and methods for treating commercial and recreational water
Patent #: 5449658
Issued on: 09/12/1995
Inventor: Unhoch, et al.

Synergistic microbicidal combinations containing 2-methyl-3-isothiazolone and certain commercial biocides
Patent #: 5489588
Issued on: 02/06/1996
Inventor: Hsu

Polyhexamethylene biguanide and surfactant composition and method for preventing waterline residue Patent #: 5668084
Issued on: 09/16/1997
Inventor: Unhoch, et al.

Inventors

Assignee

Application

No. 763820 filed on 12/11/1996

US Classes:

422/28, Using disinfecting or sterilizing substance210/764, Destroying microorganisms422/6, Affecting structure, article, etc., submerged in marine environment504/158, Active ingredient contains nitrogen, other than as nitro or nitroso, wherein the nitrogen is attached directly or indirectly to carbon by nonionic bonding514/635, Biguanides (i.e., N=C(-N)-N(N-)C=N)514/674Three or more amino nitrogens

Examiners

Primary: McKane, Elizabeth

Attorney, Agent or Firm

Foreign Patent References

  • 158800 DD 02/24/1983
  • 1407258 GB. 09/24/1975
  • 1464005 GB. 02/24/1977
  • 2298575 GB 11/24/1996

International Classes

C02F 001/50
A01N 033/02

Abstract

This invention relates to the treatment of pool surfaces and equipment with antimicrobial solutions which contain straight chain alkylamine compounds alone or in combination with additional bactericidal agents, such as biguanides.

Other References

  • F. Devinsky et al, "Cut-off Effect in Antimicrobial Activity and in Membrane Perturbation Efficacy of the Homologous Series of N,N-Dimethylalkylamine Oxides", J. Pharm. Pharmacol., vol 42 pages 790-794 1990
  • Patent Abstracts of Japan, vol. 014, No. 458 (C-0766), Oct. 3, 1990 & JP 02 184609 A (Sanyo Chem Ind Ltd), Jul. 19, 1990, see abstract
  • Patent Abstracts of Japan, vol. 095, No. 009, Oct. 31, 1995 & JP 07 150194 A (Mitsubishi Materials Corp), Jun. 13, 1995, see abstract
  • Fuller, A.T. "Antibacterial Action and Chemical Constitution in Long-chain Aliphatic Bases, " Biochemical J., pp. 545-558, 1942
  • Hueck, Hendrik J. et al. "Bacteriostatic, Fungistatic, and Algistatic Activity of Fatty Nitrogen Compounds," Applied Microbiol., pp.308-319, May 199
PatentsPlus Images
Enhanced PDF formats
loading...
PatentsPlus: add to cart
PatentsPlus: add to cartSearch-enhanced full patent PDF image
$9.95more info
PatentsPlus: add to cart
PatentsPlus: add to cartIntelligent turbocharged patent PDFs with marked up images
$18.95more info
 
Sign InRegister
Username  
Password   
forgot password?