Delivery system for wood treatment chemicals

Details Delivery system for wood treatment chemicals Delivery system for wood treatment chemicals

2005-04-26

2005-04-26

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

C106S015050, C106S018310, C106S018330, C424S405000, C514S222800, C514S731000

Reexamination Certificate

active

06884285

ABSTRACT:
A wood treatment concentrate includes, by weight;(a) 0.1-10% of an active wood treatment chemical,(b) 50-99% of a microemulsion concentrate including:(i) 0.03-80%, preferably 40-70%, of a castor oil ethoxylate or tristyryl phenol ethoxylate,(ii) 0-10%, preferably 0.005-6%, of an ethoxylated phosphoric acid ester as pH buffer,(iii) 0.002-40%, preferably 0.05-29%, of a N—C8-C18alkyl pyrrolidone and(iv) 0-60%, preferably 0.15-40%, of a N—C1-C4alkyl pyrrolidone, and(v) 0-30%, preferably 0.5-15%, of an ethylene oxide/propylene oxide block copolymer; and(c) 1-50% of a substituted phenol.The use formulation includes (d) water of dilution.

REFERENCES:
patent: 5300529 (1994-04-01), Narayanan
patent: 5317042 (1994-05-01), Narayanan
patent: 5968990 (1999-10-01), Jon et al.
patent: 6033681 (2000-03-01), Narayanan et al.
patent: 6045816 (2000-04-01), Narayanan et al.
patent: 6506396 (2003-01-01), Narayanan et al.
Internet article from ISP Agrochemicals entitled “Microflex” http://www.ispcorp.com/products/agchem/content/formulations/micro (2003), no month.*
Internet article from ISP Household and Specialites entitled “Dispersants, Emulsifiers & Specialties” http://www.ispcorp.com/products/housespec/content/products/microf. (2003), no month.*
Bethoxazin data sheet from the Compendium of Pesticide Common Names http://www.hclrss.demon.co.uk/bethoxazin.html, no date.

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