Learn more

PRESERVATION TECH INC

Overview
  • Total Patents
    14
About

PRESERVATION TECH INC has a total of 14 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Canada, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets textiles and paper are MONIN ALFRED, NANTONG CELLULOSE FIBERS CO LT and SCAN VAX FABRIKATIONS FORSKNIN.

Patent filings per year

Chart showing PRESERVATION TECH INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Textiles and paper

Focus technologies

# Technology
#1 Paper coating

Top inventors

# Name Total Patents
#1 Leiner Lee H 13
#2 Gaydos Robert M 6
#3 Traubert Thomas D 5
#4 Burd James E 4
#5 Kifer Edward W 4
#6 Burd James Edwin 1
#7 Leiner Lee Harold 1

Latest patents

Publication Filing date Title
CA2326998A1 Deacidification of cellulose based materials using hydrofluoroether carriers
WO9726409A1 Method and apparatus for the deacidification of library materials
US5409736A Deacidification of cellulose based materials using perfluorinated carriers
US5422147A Method and apparatus for the deacidification of library materials