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MILCHEM INC

Overview
  • Total Patents
    118
About

MILCHEM INC has a total of 118 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United States, United Kingdom and France. Its main competitors in its focus markets basic materials chemistry, macromolecular chemistry and polymers and machines are CITIES SERVICE OIL & GAS, SHENGLI OILFIELD SHENGLI CHEMICAL CO LTD and SHIJIAZHUANG HUALAI DINGSHENG TECH CO LTD.

Patent filings in countries

World map showing MILCHEM INCs patent filings in countries

Patent filings per year

Chart showing MILCHEM INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Perricone Alphonse C 18
#2 Lucas James M 15
#3 Jachnik Richard Pawel 15
#4 Salisbury Darrell P 7
#5 Browning William C 7
#6 Clapper Dennis K 7
#7 Enright Dorothy Pate 6
#8 Enright Dorothy P 6
#9 Bruson H 5
#10 Gould H 5

Latest patents

Publication Filing date Title
DE3621429A1 CONTINUOUS POLYMERIZATION PROCESS
US4728444A Filtration control additive for invert emulsion drilling fluids and method of preparation
US4735732A Filtration control additive for invert emulsion drilling fluids and method of preparation
US4663076A Invert emulsion drilling fluid comprising oligamide composition
US4575428A Invert emulsion drilling fluid comprising oligamide composition
US4547299A Drilling fluid containing a copolymer filtration control agent
AU1166583A Drilling fluid
GB8304529D0 Drilling fluids and methods of using them
GB8304531D0 Drilling fluids and methods of using them
GB8304530D0 Drilling fluids and methods of using them
FR2521584A1 Non-polluting oil for offshore drilling fluids - with low toxicity to shrimps and low viscosity
NL8300607A Drill flush and method for use thereof.
DK68983D0 Procedure for drilling under the surface and drill for use in exercising the procedure
GB2089403A Method and apparatus for washing particulate material
US4354513A Cuttings washer assembly
US4305110A Mud separator valve apparatus
US4293427A Drilling fluid containing a copolymer filtration control agent
US4268400A Aqueous drilling fluid additive, composition and process
US4309329A Aqueous drilling fluid additive
DE3003747A1 METHOD FOR DRILLING HOLES