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ROBERT ERICKSON DONALD

Overview
  • Total Patents
    11
About

ROBERT ERICKSON DONALD has a total of 11 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United States. Its main competitors in its focus markets textiles and paper, basic materials chemistry and machines are BENGBU KUNLUN COLOR PRINTING PACKAGING CO LTD, ZHEJIANG RONGFENG PAPER CO LTD and TOPCHIM NV.

Patent filings in countries

World map showing ROBERT ERICKSON DONALDs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing ROBERT ERICKSON DONALDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Robert Erickson Donald 11
#2 Thoma Paul J 4

Latest patents

Publication Filing date Title
US2817114A Apparatus for producing hydroxy alkyl cellulose film
US2736653A Manufacture of paper containing hydroxyethyl cellulose
US2763030A Method of precipitating and forming hydroxy alkyl cellulose into films
US2502782A Method of coating paper
US2502783A Coated paper and method of making same
US2518607A Printing ink and method of printing
US2469764A Manufacture of hydroxy alkyl cellulose
US2327594A Printing ink
US2327595A Printing ink
US2327597A Printing ink
US2327596A Printing ink