Baroid Limited

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Patent Activity in the Last 10 Years

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Intl Class Technology Matters Rank in Class
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR887
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE36066 Use of selected ester oils in drilling fluids and mudsAug 01, 95Jan 26, 99[C09K]
5755892 Waste disposal of contaminated drill cuttings from geological drilling using drilling fluid systems containing mineral oilJan 15, 97May 26, 98[B08B]
5403822 Esters of carboxylic acids of medium chain-length as a component of the oil phase in invert drilling mudsMay 27, 93Apr 04, 95[C09K]
5348938 Oleophilic alcohols as a constituent of invert drilling fluidsApr 28, 93Sep 20, 94[C09K]
5318954 Use of selected ester oils of low carboxylic acids in drilling fluidsJun 29, 93Jun 07, 94[C09K]
5318956 Use of selected ester oils in water-based drilling fluids of the O/W emulsion type and corresponding drilling fluids with improved ecological acceptabilityApr 29, 93Jun 07, 94[C09K]
5254531 Oleophilic basic amine compounds as an additive for invert drilling mudsJan 21, 92Oct 19, 93[C09K]
5252554 Drilling fluids and muds containing selected ester oilsJan 21, 92Oct 12, 93[C09K]
5194422 Use of selected oleophilic alcohols in water-based drilling fluids of the O/W-emulsion type and corresponding drilling fluids with improved ecological acceptabilityNov 15, 91Mar 16, 93[C09K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6596670 Use of selected oleophilic ethers in water-based drilling fluids of the O/W emulsion type and corresponding drilling fluids with improved ecological acceptabilityExpiredMar 03, 93Jul 22, 03[C09K]

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