The Dallas Group of America, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C10L FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 240
 
  
 
A23D EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS 124
 
  
 
A47J KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES 149
 
  
 
A61M DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY 1153
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
C11B PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES 124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9295810 Purification of unrefined edible oils and fats with magnesium silicate and organic acidsApr 25, 13Mar 29, 16[C11B, A61M]
8097049 Biodiesel purification by a continuous regenerable adsorbent processFeb 05, 09Jan 17, 12[C10L, C07C, B01J]
7635398 Purification of biodiesel with adsorbent materialsOct 01, 04Dec 22, 09[C11B, C10L]
6482326 Method of filtering used cooking oilJun 11, 01Nov 19, 02[A47J]
5597600 Treatment of cooking oils and fats with magnesium silicate and alkali materialsJun 05, 95Jan 28, 97[A23D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6517716 Sealing means for filter envelopesExpiredJan 18, 01Feb 11, 03[B01D]
6368648 Adsorbent filtration system for treating used cooking oil or fat in frying operationsExpiredApr 13, 01Apr 09, 02[C11B]
5006356 Treatment of fruit-based or vegetable-based beverages with precipitated magnesium silicateExpiredApr 19, 90Apr 09, 91[C12H]
4681768 Treatment of cooking oils and fatsExpiredAug 14, 85Jul 21, 87[C09F, A23D]

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