Defloration agent for apple trees

Patent 6429173 Issued on August 6, 2002. Estimated Expiration Date:

November 27, 2020. 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

3879188

Methods for fruit thinning comprising applying fatty acids or derivatives thereof to flowers Patent #: 5242891
Issued on: 09/07/1993
Inventor: Larsen, et al.

Inventors

Application

No. 721648 filed on 11/27/2000

US Classes:

504/127Phosphorus containing active ingredient wherein the phosphorus is other than solely as part of an inorganic ion in an addition salt

Examiners

Primary: Clardy, S. Mark

Attorney, Agent or Firm

Oblon, Spivak, McClelland, Maier & Neustadt, P.C.

Foreign Patent References

3-173807 JP. 07/13/1991
6-92804 JP. 04/13/1994
6-100407 JP. 04/13/1994
7-118108 JP. 05/13/1995
WO99/60854 JP. 12/13/1999

International Classes

A01N 037/10
A01N 057/02

Abstract

The present invention relates to a defloration agent for apple trees. The present defloration agent comprises 3-(2-methyl-4-chlorophenoxy)butyric acid (MCPB) or an ester thereof and 2-chloroethylphosphonic acid (ethephon). The present invention provides an excellent defloration effect even when the temperature is low in the blossoming season.