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LEONARD SMIDTH

Overview
  • Total Patents
    16
About

LEONARD SMIDTH has a total of 16 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets macromolecular chemistry and polymers, machines and textiles and paper are MIRACLL CHEMICALS CO LTD, WENG QIUMEI and GFC FOAM CORP.

Patent filings in countries

World map showing LEONARD SMIDTHs patent filings in countries
# Country Total Patents
#1 United States 11
#2 United Kingdom 5

Patent filings per year

Chart showing LEONARD SMIDTHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leonard Smidth 11

Latest patents

Publication Filing date Title
GB607300A A process for making aminoplast moulding powder
GB597726A A process for the manufacture of a granular amine-aldehyde moulding composition
GB593924A Process of forming granulated aminoplast resin compositions and products so produced
GB619492A Process for producing paper and the products so produced
US2461089A Process of forming granulated synthetic resin compositions
GB596363A Process for making urea formaldehyde moulding composition, and products produced therefrom
US2447621A Urea-formaldehyde molding composition
US2359166A Plastic composition and process for preparing the same
US2376200A Process for treating fibrous materials and products so produced
US2346708A Urea-formaldehyde condensation product
US2338464A Process for making urea-formaldehyde molding compositions and product therefrom
US2174535A Urea-formaldehyde reaction product
US2223536A Urea-formaldehyde condensation product
US2140561A Urea-formaldehyde condensation products
US2329172A Process for making urea-formaldehyde molding compositions and products therefrom
US1893911A Urea-formaldehyde condensation product and method of producing same