Foaming granule and method for making same

Details Foaming granule and method for making same Foaming granule and method for making same

2006-01-06

2010-02-09

Pryor, Alton N (Department: 1616)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

C424S490000

Reexamination Certificate

active

07658948

ABSTRACT:
A foaming granule is provided that includes an acid, a gas-evolving acid neutralizing agent, a surfactant foaming agent, and an active agent that is a plant growth enhancer, pest control agent, de-icer or anti-icer. Upon wetting a granule, the acid and neutralizing agent are brought into contact releasing gas that is trapped in the surfactant to form a foam that disperses the active agent to a greater area and more uniformly than a conventional nonfoaming granule containing a like amount of active agent. Dispersal of granules followed by sufficient time for foaming to occur represents a typical use methodology.

REFERENCES:
patent: 5948439 (1999-09-01), Forman et al.
patent: 6200928 (2001-03-01), Kawai
patent: 6506713 (2003-01-01), Slavtcheff et al.
patent: 6800597 (2004-10-01), Campagnoli
patent: 07112904 (1995-05-01), None

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