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MEHLTRETTER CHARLES L

Overview
  • Total Patents
    17
About

MEHLTRETTER CHARLES L has a total of 17 patent applications. Its first patent ever was published in 1947. It filed its patents most often in United States and Netherlands. Its main competitors in its focus markets macromolecular chemistry and polymers, organic fine chemistry and textiles and paper are UNION STARCH & REFINING CO INC, MARUSUMI PAPER CO LTD and SCHOLTEN HONIG RESEARCH NV.

Patent filings in countries

World map showing MEHLTRETTER CHARLES Ls patent filings in countries
# Country Total Patents
#1 United States 16
#2 Netherlands 1

Patent filings per year

Chart showing MEHLTRETTER CHARLES Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mehltretter Charles L 16
#2 Rankin John C 2
#3 Weakley Francis B 2
#4 Alexander Benjamin H 1
#5 Cleve John W Van 1
#6 Mellies Russell L 1
#7 Wilham Carl A 1
#8 Watson Paul R 1
#9 Wise Carl S 1

Latest patents

Publication Filing date Title
US3515718A Hypochlorite modified cyanoethylated starch having intact granule form
US3230213A Preparation of aminoguanidine derivatives
US3251826A Cationic oxidized starch products
US3012041A Method of obtaining substantially pure glucuronic acid lactone
US2989371A Process for separation of sodium metaperiodate from sodium sulfate
US2880236A Preparation of starch-bisulphite addition products
US2813892A Calcium salt of condensation product of citric and gluconic acids
US2713553A Electrochemical production of periodate oxypolysaccharides
US2740787A Extraction and recovery of alkaloids
US2715627A Solvent extraction of opium alkaloids
US2662073A Gluconamides
US2562200A Process for making d-glucuronic acid and its salts
US2559652A Preparation of d-glucuronic acid
US2670345A Substituted gluconamides
US2472168A Process for the preparation of d-glucosaccharic acid
US2453150A Polyesters of dimethylene d-gluconic acid