Metal salts of hydrolyzed olefin/maleic anhydride copolymers...

Details Metal salts of hydrolyzed olefin/maleic anhydride copolymers... Metal salts of hydrolyzed olefin/maleic anhydride copolymers...

2006-12-21

2009-06-02

Green, Anthony J (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

C106S015050, C424S078080, C424S078090, C427S297000, C427S351000, C427S389900, C427S391000, C427S392000, C427S393000, C427S421100, C427S428010, C427S439000, C427S440000, C428S375000, C428S532000, C428S537100, C428S537500, C514S492000, C514S494000, C514S500000, C514S772000, C514S772300

Reexamination Certificate

active

07540906

ABSTRACT:
Complexes of copper and/or zinc with hydrolyzed olefin/maleic anhydride copolymers were solubilized in ammoniacal solution providing preservative solutions that fully penetrate wood. With loss of the ammonia from the wood, the complexes were stably retained in the wood providing a long lasting preservative.

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