SHANGHAI HUAYI ACRYLIC ACID CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 7102
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 3135
 
  
 
B01D SEPARATION 1133

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9744524 Molybdenum based complex oxide catalyst, its preparation method and useDec 07, 15Aug 29, 17[C07C, B01J]
9731280 Ferrite catalyst and preparation method thereofNov 21, 13Aug 15, 17[C07C, B01J]
9522866 Methods for preparing methacrolein from t-butanolDec 04, 15Dec 20, 16[C07C, B01J]
9314772 Heteropoly acid salt catalyst and its preparation methodNov 21, 13Apr 19, 16[B01J]
9192930 Process for regenerating a deactivated heteropolymolybdophosphoric acid catalystSep 22, 11Nov 24, 15[C07C, B01J]
8623780 Preparation process of a complex oxide catalyst and application thereof to the synthesis of the acrylic acidJan 20, 10Jan 07, 14[B01J]
8481790 Catalyst for producing unsaturated aldehyde by oxidation of lower olefin at high space velocityMay 26, 11Jul 09, 13[C07C, B01J]
8288306 Preparation process of a catalyst used for gas phase oxidation of light alkenes to unsaturated aldehydesJan 20, 10Oct 16, 12[B01J]
7981255 Method for producing (meth)acrylic acid and (meth)acrylic estersSep 26, 07Jul 19, 11[C07C, B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7906689 Catalyst composition and producing process thereof for use in manufacturing methacroleinExpiredNov 07, 07Mar 15, 11[C07C, B01J]
2009/0124,825 Method of (meth) acrylate productionAbandonedNov 14, 07May 14, 09[C07C]

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