| Patents for B27K 3 - Impregnating wood, e.g. for protection (6,035) |
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| 03/13/1990 | CA1266573A1 Soil and industrial waste decontamination |
| 03/08/1990 | DE3829980A1 Wood preservatives and compositions for the protection of materials containing para-hydroxybenzoic esters |
| 03/06/1990 | US4906660 Wood preservative composition and method |
| 02/28/1990 | EP0355316A2 Process for preserving wood and particle board |
| 02/20/1990 | US4902349 Asphalt/polyol emulsion and process for preparation thereof |
| 02/13/1990 | CA1265709A1 Wood substrate having good flame resistance |
| 02/08/1990 | WO1990001033A1 Diorgano tin compounds and bactericides and fungicides containing them |
| 02/08/1990 | WO1990000959A1 Treatment of wood and wood-based materials |
| 01/17/1990 | EP0351195A2 Improvements in or relating to fungicides |
| 01/17/1990 | EP0351145A2 Method for impregnating woodsticks |
| 01/11/1990 | DE3823353A1 Process for durably treating or impregnating wooden masts |
| 01/09/1990 | US4892618 Method for the manufacture of products containing wood chips by insolubilizing the lignin |
| 01/03/1990 | CN1038422A Method of molding using dissociate lignocellulosic material and the product so produced |
| 01/03/1990 | CN1038421A Technology for producing wax-wood furniture |
| 12/27/1989 | EP0347707A2 Method for fixing chromated copper arsenate treating agents in wood |
| 12/26/1989 | US4889771 Method of preserving wood with lanthanide derivatives |
| 12/21/1989 | DE3820302A1 Process for the preparation of 3-(2-furyl)alanine, and its use |
| 12/13/1989 | EP0346273A1 Agent for protecting wood against insect attack |
| 12/13/1989 | CN1037914A Use of pereluoropolyethers in the form of an aqueous microemulsion for protecting stony materials from atmospheric agents |
| 12/06/1989 | EP0344565A1 Process for the production of N-(2-Benzimidazolyl)-carbamic acid alkyl ester preparations for wood-protecting lacquers |
| 12/06/1989 | EP0344418A1 Process for the preparation of non-ionogenic tensides |
| 12/06/1989 | EP0344265A1 Low-density material containing a vegetable filler. |
| 12/05/1989 | CA1263503A1 Production of shaped bodies of boron compounds |
| 11/30/1989 | WO1989011385A1 A method and apparatus for manufacturing fiber slabs |
| 11/30/1989 | DE3817859A1 Fireproofing composition for constructional timber and mine-timber |
| 11/28/1989 | USRE33121 In oil in water emulsion |
| 11/28/1989 | US4883719 Method of surface impregnation of wood articles and wood articles made therewith |
| 11/28/1989 | US4883689 Method of preserving wood with lanthanide derivatives |
| 11/23/1989 | DE3815934A1 Flameproofing impregnation and preservation |
| 11/16/1989 | WO1989010956A1 Quaternary ammonium dithiocarbamate compounds |
| 11/15/1989 | EP0341954A1 Biocidal compositions for industrial materials |
| 11/15/1989 | CN1037105A Amber wood and preparation method thereof |
| 11/14/1989 | EP0326594A4 Aqueous boron-containing compositions. |
| 10/31/1989 | US4877070 Method of reinforcing a guitar neck |
| 10/19/1989 | DE3811199A1 Wood preservative |
| 10/18/1989 | EP0337313A1 Use of perfluoropolyethers in the form of an aqueous microemulsion for protecting stony materials from atmospheric agents |
| 10/11/1989 | EP0336186A2 Derivatives of triazolylmethylcyclopropyl-carbinols as material protecting agents |
| 10/11/1989 | EP0335940A1 Preservative elements containing organic boron compounds and their use |
| 10/05/1989 | WO1989009096A1 Method for restoring and reinforcing wooden structural component |
| 10/03/1989 | US4871594 Use of aqueous cationic dispersions of synthetic resins for impregnating and priming of absorbent substrates |
| 10/03/1989 | US4871473 Wood preservative |
| 09/12/1989 | US4865879 Injection of isocyanate and polyol-containing liquids into cavities; in situ polymerization and curing gives strong rigid polyurethanes |
| 09/12/1989 | CA1259256A1 Process for the destruction of insects and/or mites and insecticide and/or acaricidal compositions containing 2,5-disubstituted pyrrolidine and/or pyrroline-1 derivatives as active principle |
| 09/06/1989 | CN1035313A Penetrating treatment composition for porous substrates having improved durability and water repellency |
| 09/05/1989 | US4863943 Fungicides containing triazole and oligoether groups |
| 08/23/1989 | CN1034885A Modification technology and equipment for the larch timber through the heat treatment by the water solution of soda ash or urea |
| 08/16/1989 | EP0328466A1 Emulsifiable concentrates of biocidal materials, aqueous microemulsions obtained and use of these microemulsions in the treatment of wood |
| 08/16/1989 | EP0328323A1 Penetrating treatment for porous substrates |
| 08/15/1989 | US4857365 Method of manufacturing modified wood material |
| 08/15/1989 | US4857323 Preservative for wood |
| 08/15/1989 | US4857322 Wood preservative |
| 08/09/1989 | EP0327215A1 Stable aqueous emulsions of ketene dimer/nonreactive hydrophobe |
| 08/09/1989 | EP0326594A1 Aqueous boron-containing compositions |
| 07/25/1989 | CA1257752A1 Fungicidal agent to preserve freshly cut wood against blue stain and mold fungi attacks |
| 07/18/1989 | CA1257451A1 Stabilization of wood preservative solutions and preservation of wood by such solutions |
| 07/11/1989 | US4847002 Improved stabilization of wood preservative solutions and preservation of wood by such solutions |
| 07/11/1989 | CA1257278A1 Imidazole and triazole derivatives, processes for their preparation and compositions containing them |
| 07/06/1989 | DE3743821A1 Wood preservative containing copper and tin |
| 07/05/1989 | EP0323443A2 Fungicides with triazole groups and oligo ethers |
| 07/04/1989 | US4844725 Aqueous boron-containing compositions |
| 07/04/1989 | CA1256654A1 Wood preservative |
| 06/29/1989 | WO1989005884A1 Low-density material containing a vegetable filler |
| 06/29/1989 | DE3742627A1 Wood preservative |
| 06/27/1989 | US4842898 Vacuum treated |
| 06/27/1989 | US4842611 Applying ammonium phosphates, sulphates, bromides, and urea to textile fabrics and fibrous materials |
| 06/27/1989 | CA1256331A1 Method for the impregnation of wood |
| 06/21/1989 | EP0320786A1 Wood-protecting agent |
| 06/21/1989 | EP0320531A1 Agent or concentrate for preserving wood and wooden materials |
| 06/20/1989 | US4840638 Synthetic ebony and method of producing the same (II) |
| 06/20/1989 | US4840637 Synthetic ebony and method of producing the same (I) |
| 06/20/1989 | CA1255977A1 Process for preserving wood |
| 06/13/1989 | US4839099 Fire-retardant for woody materials |
| 06/08/1989 | DE3740201A1 Continuous-vacuum-application device |
| 06/07/1989 | EP0318528A1 Process for treating freshly cut timber. |
| 06/06/1989 | CA1255228A1 Azolylmethylcycloalkanes, their preparation and their use as drugs |
| 05/24/1989 | EP0316602A2 Wood-protecting agent |
| 05/24/1989 | EP0172188B1 Method for impregnating wood, and an apparatus for carrying out the method |
| 05/23/1989 | US4833158 Method of combating termites |
| 05/23/1989 | US4832987 Process of producing modified wood |
| 05/23/1989 | US4832744 Process and an agent for stabilizing tributyltin fungicides for preservation of wood |
| 05/03/1989 | EP0314377A1 Waterborne penetrating coating composition and use thereof |
| 05/03/1989 | EP0314138A1 Flame retardant plant |
| 04/25/1989 | US4824484 Agent for preserving wood or wood-based materials and method for preparation and use thereof |
| 04/20/1989 | WO1989003287A1 Preservative elements containing organic boron compounds and their use |
| 04/04/1989 | US4817346 Device for feeding preservative to wooden posts |
| 03/29/1989 | CN1031958A Method of preparing plasticized masson pine wood |
| 03/22/1989 | EP0307499A1 Asphalt/polyol emulsion and process for preparation thereof |
| 03/21/1989 | US4814016 Waterborne penetrating coating composition and method |
| 03/09/1989 | EP0280690A4 Impregnation process and apparatus with a vacuum pump valve control system. |
| 03/07/1989 | CA1250701A1 Preservative composition for wood |
| 02/28/1989 | US4808407 Water-soluble copper salts |
| 02/16/1989 | DE3826798A1 Process for preserving pine wood (spruce wood, white deal) |
| 02/15/1989 | CN1003291B Pressure impregnation of wood poles for preservation |
| 02/14/1989 | US4804482 Aqueous solution of citric acid and equimolar amount of sodium and potassium compound |
| 02/14/1989 | US4804384 Acetylation of lignocellulosic materials |
| 02/14/1989 | CA1249901A1 Water dispersible compositions for preparing aqueous water repellent systems, aqueous water repellent systems, and process for treatment of permeable substrates therewith |
| 01/31/1989 | US4801404 Suspension, borate salt, fireproofing fiberboard |
| 01/18/1989 | EP0299922A2 Process for preparing metal salts of phosphoric and phosphonic acid esters |
| 01/18/1989 | EP0299191A1 Mixture of fungicidally active agents |
| 01/12/1989 | WO1989000154A1 Aqueous boron-containing compositions |