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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 4 | |
#2 | WIPO (World Intellectual Property Organization) | 3 | |
#3 | Australia | 2 | |
#4 | EPO (European Patent Office) | 2 | |
#5 | United States | 2 | |
#6 | India | 1 |
# | Industry | |
---|---|---|
#1 | Textiles and paper |
# | Technology | |
---|---|---|
#1 | Paper coating |
# | 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 |
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 |