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KNAPSACK AG

Overview
  • Total Patents
    3,520
About

KNAPSACK AG has a total of 3,520 patent applications. Its first patent ever was published in 1937. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets organic fine chemistry, materials and metallurgy and chemical engineering are LAPORTE CHEMICAL, IMI INST FOR RES & DEV and JAN DENG-YANG.

Patent filings per year

Chart showing KNAPSACK AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sennewald Kurt 226
#2 Vogt Wilhelm 118
#3 Glaser Hermann 94
#4 Harnisch Heinz 90
#5 Kurt Sennewald 68
#6 Sennewald Dr Kurt 67
#7 Sennewald K 65
#8 Erpenbach Heinz 61
#9 Kandler Joachim 61
#10 Sennewald Dipl-Chem Dr Kurt 60

Latest patents

Publication Filing date Title
FR2225257A1 Plaster casting using ultrasonic vibrations - with accelerated setting which is uniform throughout the moulding
CY692A Production of non-caking blends of sodium tripolyphosphate hexahydrate and sodium nitrilotriacetate monohydrate or dihydrate
ZA7303291B Ferrosilicon alloy
DE2323262A1 Oxidation catalyst on pure alumina support - comprising mixed aluminates of copper, manganses, and nickel, and opt. contg. cerium
DE2321751A1 METHOD FOR CLEANING UP WET PHOSPHORIC ACID
RO69493A Preparation procedure for monovinylacetylene
ES413746A1 Process for making condensed aluminum phosphates
GB1379377A Compositions suitable for use in automatic dishwashing machines
DE2313531A1 Spirocyclic tri- and/or tetra-phosphazenes - used for flame proofing plastics and cellulose fibres
DE2313530A1 Spirocyclic halo-substd tri- and or tetra-phosphazenes - used for flame proofing plastics and cellulose fibres
DE2313037A1 PROCESS FOR THE PRODUCTION OF VINYL CHLORIDE BY THERMAL CLEAVAGE OF 1,2-DICHLORAETHANE
DE2311180A1 METHOD FOR MANUFACTURING FLAME RESISTANT CELLULOSE REGENERATED FIBERS
SU665780A3 Device for voltage supply to electric filter
ES411390A1 Procedure for the preparation of a cleaning and washing agent in the form of granulate. (Machine-translation by Google Translate, not legally binding)
GB1374221A Process for the production of flame-retarded polyurethane foams
US3859419A Process for the manufacture of phosphorous acid
DE2262898A1 Lithium carbide prodn. - from lithium and carbon by fusion technique
DE2260868A1 METAL POWDER MANUFACTURING PROCESS AND DEVICE
GB1378337A Process for the manufacture of aminophosphazenes
GB1342220A Detergent compositions