LAPORTE INDUSTRIES LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2136
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 1239
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5723663 Preparation of thioamidesAug 08, 95Mar 03, 98[C07C]
5427110 Circuit arrangement for the processing of physiological measurement signalsSep 03, 93Jun 27, 95[A61B]
5276191 Process for the preparation of ketonesOct 29, 91Jan 04, 94[C07C]
RE30234 Polymeric compositionsJan 18, 79Mar 18, 80[C08L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6069255 Preparation of vinyl isothiocyanatesExpiredJun 02, 98May 30, 00[C07D]
5800716 Processes for the treatment of acidic liquors and for the production of commercial products therebyExpiredJul 17, 96Sep 01, 98[C02F]
5571379 Colloidal composition and its use in the production of paper and paperboardExpiredJun 07, 95Nov 05, 96[D21H]
5486499 Pillared claysExpiredFeb 03, 93Jan 23, 96[B01J]
5371247 Preparation of substituted ethenesExpiredJul 18, 91Dec 06, 94[C07D, C07C]
5218132 Removal of benzopyrene from edible oils using an activated carbonized adsorbentExpiredJul 31, 91Jun 08, 93[C11B]
5171376 Fluxes for aluminium brazing or weldingExpiredJun 04, 91Dec 15, 92[B23K]
5164515 Chemical compoundsExpiredFeb 20, 90Nov 17, 92[C07D, C07C]
5015334 Colloidal composition and its use in the production of paper and paperboardExpiredSep 22, 89May 14, 91[D21H]
4882285 Process for monitoring the quantity of dimethyl hydantoinExpiredFeb 22, 89Nov 21, 89[G01N]
4804494 Wood preservative compositions and a process for their productionExpiredApr 23, 87Feb 14, 89[C09K, A01N, C01G]
4797281 Process for preparing wood preservative compositionsExpiredJan 16, 87Jan 10, 89[A01N]
4775521 Process for the production of ferrous sulphideExpiredJul 10, 87Oct 04, 88[C01G]
4752342 Organoclay materialsExpiredAug 03, 87Jun 21, 88[C04B]
4737491 Wood preservativeExpiredJun 11, 85Apr 12, 88[A61K, C09D]
4687845 Preparation of thiazine derivativesExpiredJan 13, 86Aug 18, 87[C07D]
4687871 Process for the resolution of a racemateExpiredNov 07, 85Aug 18, 87[C07F, C07C]
4661157 Production of shaped bodies of boron compoundsExpiredNov 12, 85Apr 28, 87[A01N, C08K]
4657881 Absorbent materialsExpiredFeb 10, 86Apr 14, 87[A01K, B01J]
4622214 Method for the preparation of crystalline molecular sieve materials wherein the organic template is an enantiomerExpiredNov 08, 85Nov 11, 86[C01B]

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