Assignee
PRESERVATION TECH INC
US·2 granted patents·56 citations·filing 1993–1993
Technology mixD21H2
Top patents by PatentIndex Score
2 records- 0172US5409736ADeacidification of cellulose based materials using perfluorinated carriersPRESERVATION TECH INC·Filed 1993·Granted Apr 25, 1995·37 cites·7 claims
- 0251US5422147AMethod and apparatus for the deacidification of library materialsPRESERVATION TECH INC·Filed 1993·Granted Jun 6, 1995·19 cites·29 claims
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