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PENNSYLVANIA COAL PRODUCTS COM

Overview
  • Total Patents
    31
About

PENNSYLVANIA COAL PRODUCTS COM has a total of 31 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets macromolecular chemistry and polymers, organic fine chemistry and basic materials chemistry are CLARIANT SPECIALTY FINE CHEM, SANKYO ORGANIC CHEM CO LTD and SAWYER KENNETH I.

Patent filings in countries

World map showing PENNSYLVANIA COAL PRODUCTS COMs patent filings in countries
# Country Total Patents
#1 United States 19
#2 Canada 9
#3 United Kingdom 3

Patent filings per year

Chart showing PENNSYLVANIA COAL PRODUCTS COMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rhodes Philip H 6
#2 Hamilton Rhodes Philip 5
#3 Norton Arthur J 5
#4 Burroughs Samuel G 5
#5 Rhodes Philip Hamilton 3
#6 Lofton Jr William M 3
#7 Cotton William J 2
#8 Jones Jennings H 1
#9 Pyle Arthur K 1
#10 Hoffmann Alvin A 1

Latest patents

Publication Filing date Title
GB613106A Improvements in or relating to polyhydric phenol-aldehyde resin adhesives
GB605186A Improvements in or relating to polyhydric phenol-aldehyde resins used as adhesives in bonding plywood and the like
GB605187A Improvements in or relating to polyhydric phenol-formaldehyde resin adhesives
US2414417A Production of heat-reactive resinous products
US2414416A Method of setting phenol-aldehyde resins and products derived therefrom
US2381210A Production of zingerone
US2414415A Production and utilization of cold setting polyhydric phenolic aldehyde resin adhesives
US2414418A Method of purifying chloracetophenone
US2385374A Aqueous bonding composition
US2414414A Method of bonding materials with a cold-setting dihydroxy benzene aldehyde adhesive
US2385373A Method of producing a resin and product derived therefrom
US2381209A Purification of dihydroxy benzene compounds
US2385372A Production of resin
US2385371A Abrasive article and method of manufacturing the same
US2398388A Production of laminated stock bonded with a dihydroxy benzene aldehyde resin
US2385370A Production of resinous compositions
US2125189A Method for the purification and separation of aryl sulphonic acids
US2176881A Process of preserving rubber and product
US2041592A Process of hydrolyzing chlor phenols
US2041593A Process of hydrolyzing chlor alkyl phenols