Knapsack Aktiengesellschaft

Patent Applications and Registrations

Patent applications and USPTO patent grants for Knapsack Aktiengesellschaft.The latest application filed is for "filling nozzle and installation for filling drums with liquid yellow phosphorus".

Company Profile

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Knapsack Aktiengesellschaft - Knapsack bei Koln DT
Knapsack Aktiengesellschaft - Knapsack near Cologne DT
Knapsack Aktiengesellschaft - Knapsack DT
Knapsack Aktiengesellschaft - Cologne DT
Knapsack Aktiengesellschaft - Knapsack bei Cologne DT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Filling Nozzle And Installation For Filling Drums With Liquid Yellow Phosphorus Grant 3,831,644 - Berg , et al. August 27, 1	1974-08-27
Process For Isolating Acrylic Acid From Aqueous Crude Acrylic Acid By Distillations With 3,3,5-trimethycyclohexamone And Thin Layer Evaporation Grant 3,781,193 - Sennewald , et al. December 25, 1	1973-12-25
Spray Nozzle For A Spray Dryer Grant 3,770,207 - Muller , et al. November 6, 1	1973-11-06
Process For Purifying Phosphoric Acids By Neutralization With An Alkali Metal Hydroxide And/or Carbonate Grant 3,764,655 - Ehlers , et al. October 9, 1	1973-10-09
Process For The Manufacture Of Vinyl Acetate Grant 3,761,513 - Sennewald , et al. September 25, 1	1973-09-25
Production Of Trialkylphosphines Grant 3,760,001 - Staendeke September 18, 1	1973-09-18
Powdered Fire Extinguishing Agents Grant 3,755,163 - Broll , et al. August 28, 1	1973-08-28
Apparatus For The Manufacture Of Most Finely Pulverized Red Phosphorus Grant 3,731,882 - Muller , et al. May 8, 1	1973-05-08
Process For The Manufacture Of Ammonium Polyphosphates Grant 3,653,821 - Heymer , et al. April 4, 1	1972-04-04
Surface-pretreatment Of Non-metallic Articles For Chemical Nickel-plating Grant 3,653,947 - Kandler , et al. April 4, 1	1972-04-04
Surface-pretreatment Of Articles Made From Polyethylene Or Polypropylene Or Corresponding Copolymers For Chemical Nickel-plating Grant 3,647,514 - Ahlgrim , et al. March 7, 1	1972-03-07
Manufacture Of Spray-dried Detergents Containing Sodium Tripolyphosphate Grant 3,639,287 - Gabler , et al. February 1, 1	1972-02-01
Process For The Transformation Into Useful Products Of Sludges Obtained By Neutralization Of Crude Phosphoric Acids Grant 3,637,346 - Ehlers , et al. January 25, 1	1972-01-25
Process For The Chemical Nickel-plating Of Nonmetallic Articles Grant 3,617,343 - Kandler , et al. November 2, 1	1971-11-02
Apparatus For Thickening Or Concentrating Highly Fluid Solutions Grant 3,595,297 - Berg July 27, 1	1971-07-27
Nozzle For Atomizing Molten Material Grant 3,592,391 - Bender , et al. July 13, 1	1971-07-13
Process Of Operating A Hollow Electrode For Use In Closed, Electrothermal Reduction Furnaces Grant 3,585,269 - Krause , et al. June 15, 1	1971-06-15

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