ECOLOGICAL CHEMICAL PRODUCTS

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07D HETEROCYCLIC COMPOUNDS 7155
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 5133
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3117
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 276
 
  
 
B01D SEPARATION 1133
 
  
 
C07F ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM, OR TELLURIUM 169
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1101

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6310218 Melt crystallization purification of lactidesApr 22, 94Oct 30, 01[C07D]
5521278 Integrated process for the manufacture of lactideAug 18, 94May 28, 96[C08G, C08F]
5498650 Poly(lactic acid) composition having improved physical propertiesFeb 24, 95Mar 12, 96[C08K]
5374743 Process for the synthesis of lactide or glycolide from lactic acid or glycolide acid oligomersSep 30, 93Dec 20, 94[C07D]
5342969 Recovery of hydroxycarboxylic acid values from poly(hydroxycarboxylic acids)Mar 03, 93Aug 30, 94[C07D]
5310599 Method for making polymers of alpha-hydroxy acidsMay 06, 93May 10, 94[C08G]
5288881 Continuous reduced pressure dimeric cyclic ester productionMar 12, 92Feb 22, 94[C07D]
5270400 L-Dpolylactide copolymers with controlled morphologyDec 31, 91Dec 14, 93[C08G]
5264614 Recovery of polyhydroxy acidsNov 22, 91Nov 23, 93[C07C]
5264617 Preparation of alkyl esters by depolymerizationNov 22, 91Nov 23, 93[C07C]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5639466 Method for packaging foodstuffsExpiredFeb 24, 95Jun 17, 97[A01N]
5420235 Continuous poly (hydroxy acid) polymerization using a counter-current impeller mixing systemExpiredJan 21, 93May 30, 95[C08G]
5399666 Easily degradable star-block copolymersExpiredApr 21, 94Mar 21, 95[C08G]
5382617 Stabilization of poly(hydroxy acid)s derived from lactic or glycolic acidExpiredAug 20, 93Jan 17, 95[C08K]
5346966 L,d-polylactide copolymers with controlled morphologyExpiredOct 26, 93Sep 13, 94[C08G]
5326887 Process for the preparation of 1,4-dioxane-2,5-dionesExpiredFeb 14, 92Jul 05, 94[C07D]
5300358 Degradable absorbant structuresExpiredNov 24, 92Apr 05, 94[A61F, B32B]
5296282 Degradable repellant coated articlesExpiredAug 12, 91Mar 22, 94[D06N, A01G, B32B]
5292859 Rare earth metal coordination compounds as lactone polymerization catalystsExpiredDec 22, 92Mar 08, 94[C08G]
5288841 Fluidized bed ring-opening polymerization processExpiredNov 30, 92Feb 22, 94[C08G]
5268507 Preparation of amide derivatives of hydroxy acidsExpiredNov 22, 91Dec 07, 93[C07C]
5266706 Solvent scrubbing recovery of lactide and other dimeric cyclic estersExpiredJan 28, 92Nov 30, 93[C07D]
5235031 Polymerization of lactideExpiredMar 13, 92Aug 10, 93[C08G]
5229528 Rapid depolymerization of polyhydroxy acidsExpiredNov 22, 91Jul 20, 93[C07D, C07C]
5225521 Star-shaped hydroxyacid polymersExpiredDec 31, 91Jul 06, 93[C08G, C08L]
5221362 Non-halogenated aqueous cleaning systemsExpiredAug 23, 91Jun 22, 93[C23G]
5208297 Rare earth metal coordination compounds as lactone polymerization catalystsExpiredDec 30, 91May 04, 93[C08G]
5202413 Alternating (ABA)N polylactide block copolymersExpiredDec 31, 91Apr 13, 93[C08G]
5196551 Co-vaporization process for preparing lactideExpiredJun 24, 91Mar 23, 93[C07D]
5179232 Process for solubilizing formaldehyde oligomersExpiredDec 19, 90Jan 12, 93[C07C]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.