DR. WOLMAN GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 887
 
  
 
B27K PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR 27
 
  
 
B27N MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL 112

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6441016 Wood preservativesNov 03, 98Aug 27, 02[A01N]
6352583 Wood preservative for subsequent applicationSep 01, 99Mar 05, 02[A01N, B27K]
6110263 Timber preserving agent for maintenance purposesAug 28, 98Aug 29, 00[A01N, B27K]
6000189 Fire-resistant rear-ventilated claddingMay 16, 97Dec 14, 99[B27N]
5853766 Wood preservativesJan 21, 97Dec 29, 98[A01N]
5635217 Wood preservativesOct 24, 94Jun 03, 97[A01N]
5444093 Wood preservativesNov 03, 93Aug 22, 95[A01N]
5186947 Wood preservative based on polymeric nitrogen compounds and metal-fixing acidsSep 19, 91Feb 16, 93[A01N]
5179116 Wood preservativesJun 05, 92Jan 12, 93[A01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6558685 Method for treating wood against the attack of harmful fungiExpiredJan 17, 01May 06, 03[A01N]
5276029 Wood preservative compositions having activity against termites and fungiExpiredNov 01, 90Jan 04, 94[A61K, A01N]
5187194 Wood preservatives containing polymeric nitrogen compoundsExpiredOct 16, 90Feb 16, 93[A01N]
5078912 Wood preservativeExpiredMay 01, 91Jan 07, 92[C09K]
5021459 Wood preservativesExpiredNov 01, 89Jun 04, 91[A01N]
4908362 Salt of a substituted morpholine with fluoboric acid, fungicidal composition and useExpiredFeb 09, 87Mar 13, 90[A01N, C07D]
4871473 Wood preservativeExpiredDec 16, 88Oct 03, 89[C09K, A61K, C09D]
4857322 Wood preservativeExpiredNov 09, 87Aug 15, 89[A01N]
4774268 Process for the preparation of flame resistant polyurethane compositionsExpiredJan 20, 88Sep 27, 88[C09K]
4764214 Wood preservatives containing 2-iodobenzanilideExpiredApr 09, 87Aug 16, 88[B05D, C09D]
4761179 Wood preservativesExpiredFeb 09, 87Aug 02, 88[C09D]
4759872 Wood preservativesExpiredMar 20, 87Jul 26, 88[C09K, A61K, A01N]
4716054 Accelerated fixing of chromate-containing wood preservative saltsExpiredMar 12, 86Dec 29, 87[B05D]
4461721 Wood preservativeExpiredApr 12, 82Jul 24, 84[C09K]

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