US PATENT SUBCLASS 106 / 18.3
.~.~ Boron containing

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
15.05  DF  .~ Contains fireproofing or biocidal agent {10}
18.3.~.~ Boron containing