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US Patent 6071480 - Method for generating a standing sonic wave, methods of sonication with a standing sonic wave, and a standing sonic wave sonicator

US Patent Issued on June 6, 2000
Estimated Patent Expiration Date: Icon_subject December 21, 2015Estimated 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.
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Abstract

The present invention provides a standing sonic wave sonicator, methods of generating a standing sonic wave and a method of sonication which employs a standing sonic wave to disrupt particulate material.

Other References

  • Fisher 88 Catalog (1988) pp. 724-725 and 973-977
  • Bass, Jr., J., "Diagnostic Standards and Classification of Tuberculosis", Am. Rev. Respir. Dis., 142:725-735 (1990

Inventor

Application

No. 564995 filed on 12/21/1995

US Classes:

422/128, Including supersonic or ultrasonic energy generation means435/173.7, Lytic effect produced (e.g., disruption of cell membrane for release of subcellular parts; e.g., nucleic acids, etc.)435/306.1Involving lysis of a microorganism by means other than comminution

Field of Search

435/173.7, Lytic effect produced (e.g., disruption of cell membrane for release of subcellular parts; e.g., nucleic acids, etc.)435/306.1, Involving lysis of a microorganism by means other than comminution422/20, Using sonic or ultrasonic energy422/128, Including supersonic or ultrasonic energy generation means128/200.16, Ultrasonic204/157.62Using sonic or ultrasonic energy

Examiners

Primary: Weber, Jon P.

Attorney, Agent or Firm

US Patent References

4571087, Array sonicator apparatus for automated sample preparation
Issued on: 02/18/1986
Inventor: Ranney
4874137, Ultrasonic cell-destroyer
Issued on: 10/17/1989
Inventor: Chiba
4983523, Methods for preparing sample nucleic acids for hybridization
Issued on: 01/08/1991
Inventor: Li, et al.
5005773, Sonic generator
Issued on: 04/09/1991
Inventor: Nyberg, ;, , , --> Nyberg, et al.
5074474, Method and equipment for producing bioactive suspensions
Issued on: 12/24/1991
Inventor: Golz, et al.
5180363, Operation device
Issued on: 01/19/1993
Inventor: Idemoto, et al.
5374522, Method for releasing RNA and DNA from cells
Issued on: 12/20/1994
Inventor: Murphy, et al.
5386169Device for causing an untuned structure to vibrate ultrasonically
Issued on: 01/31/1995
Inventor: Dubruque

Foreign Patent References

  • 0288618 EP. 11/09/1988
  • 0337690 EP. 10/09/1989
  • 0394583 EP. 10/09/1990
  • 0520756 EP. 12/09/1992
  • 0619147 EP. 10/09/1994
  • 938163 GB. 10/09/1963
  • 9212807 WO. 08/09/1992
  • 9603150 WO. 02/09/1993
  • 9413783 WO. 06/09/1994

International Classes

B06B 001/00
C12N 013/00
C12M 001/33

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