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PAPER CHEMISTRY LAB INC

Overview
  • Total Patents
    12
About

PAPER CHEMISTRY LAB INC has a total of 12 patent applications. Its first patent ever was published in 1985. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets textiles and paper and measurement are ZIBO OUMU SPECIAL PAPER IND CO LTD, HEFEI LONG FA PACKAGING CO LTD and HU ZHONGSHENG.

Patent filings per year

Chart showing PAPER CHEMISTRY LAB INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Penniman John G 10
#2 Reichlin Maria S 9
#3 Fitzgerald Ryder O 1
#4 Penniman John C 1

Latest patents

Publication Filing date Title
GB9011333D0 A method and apparatus for measuring an electrical characteristic of a fibrous dispersion
US5114539A Methods for manufacturing paper products
WO8901072A1 Method for manufacture of paper products
NZ220976A Method of increasing rate of water removal from a web of a paper product by addition of a water insoluble organic solvent
BR8707972A Process for increasing the rate of water removal from a mat of a paper product, and, perfect process to manufacture a paper product
US4684440A Method for manufacturing paper products
US4661225A Method and apparatus for measuring the electrophoretic mobility of migrating particles