Patents
Sitemap › B27 - Working or preserving wood or similar material; Nailing or stapling machines in general › B27K - Processes, apparatus or selection of substances for impregnating, staining, dyeing or bleaching of wood, or for treating of wood with permeant liquids, not otherwise provided for; Chemical or physical treatment of cork, cane, reed, straw or similar materials › B27K 3 - Impregnating wood, e.g. for protection
Patents for B27K 3 - Impregnating wood, e.g. for protection (6,035)
01/1991
01/15/1991US4985282 Process for protecting and consolidating stony materials
01/11/1991CA2008928A1 Composition and process for imparting fire retardant properties and improved thermal stability to cellulosic materials
01/10/1991WO1991000327A1 Fire retardants and products produced therewith
01/08/1991US4983425 Vapor phase hardening of curable organic compounds
01/04/1991WO1991000326A1 Flame retarding and smoke retarding mixture
01/04/1991CA2062714A1 Flame retarding and smoke retarding mixture
12/1990
12/25/1990US4980194 Systemic infusion of aqueous solution of retardant
12/20/1990WO1990015533A1 Insecticidal and repellent composition
12/20/1990DE3919906A1 Wood preservative compsns. - contains residue from phenol synthesis
12/20/1990CA2058976A1 Insecticidal and repellant composition
12/19/1990EP0402697A1 Mixture for preserving wood
12/19/1990EP0402695A1 Mixture for the protection of wood
12/18/1990US4977686 Drying wood fibers by spraying nitric acid and an alkali metal salt to loosen pectin for evaporation of moisture
12/11/1990US4977186 Wood preservative and soil treatment composition
12/05/1990EP0400447A1 Device for protecting wooden masts
11/1990
11/28/1990EP0149625B1 Preservative composition
11/27/1990US4973501 Preservation
11/20/1990US4971840 Procedure for treatment of fir-wood and leaf-wood
11/20/1990US4971125 For producing roofing shakes from a board
11/13/1990US4970201 Preservatives for cellulose containing products
11/13/1990CA1276165C Urethanes containing perfluoroalkyl and epichlorohydrin groups, aqueous dispersions containing these urethanes, and the usethereof
11/04/1990WO1990013403A1 Process for making a possibly flat synthetic resin moulded block and preform for use in such a process
11/04/1990CA2032170A1 Process for making a possibly flat synthetic resin moulded block and preform for use in such a process
10/1990
10/31/1990CN1046488A Production method for grafting of lumber plastics
10/30/1990US4966497 Adding catalyst and blowing agent
10/25/1990DE3912981A1 Method of impregnating timber - by using single needles or gangs of needles, either fixed or rotating, and vibrating them to cause penetration
10/24/1990EP0393746A1 Synergistic compositions containing propiconazole and tebuconazole
10/24/1990EP0393306A1 Water soluble wood preservative and its use in pressure and/or vacuum impregnation or immersion processes
10/20/1990CA2001139A1 Procedure for treatment of fir-wood and leaf-wood
10/17/1990EP0229176B1 Wood treatment composition
10/16/1990US4963398 Process for continuous production of surface-consolidated lumber
10/10/1990EP0391136A2 Impregnation solution and process for its use
10/02/1990US4960615 Composition and method for using composition to reduce the effects of water and ultraviolet radiation on carbon central structures
09/1990
09/29/1990WO1990011172A1 Liquid injector
09/29/1990CA2049311A1 Liquid injector
09/26/1990EP0389216A1 Improvements in or relating to porous materials
09/26/1990EP0368956A4 Quaternary ammonium dithiocarbamate compounds
09/26/1990EP0362358A4 Method for restoring and reinforcing wooden structural component
09/25/1990US4959203 Preparation of copper arsenate
09/25/1990US4959076 Synthetic rosewood and method of production thereof
09/20/1990CA2012635A1 Porous materials
09/19/1990EP0387489A1 Use of 2,2,6,6-tetramethyl-4-amino-piperidine amides as fungicides
09/18/1990CA1274162A1 Method for the manufacture of products containing wood chippings
09/12/1990EP0386599A1 Process for fixing wooden articles pressure treated with chromated-copper-arsenate
09/10/1990CA2011894A1 Method for preservation treatment of wood
09/05/1990EP0385108A2 Mixtures containing organosilicon compounds and their use in hydrophobic and antimicrobial impregnation
09/05/1990EP0385076A1 Agent or concentrate for the preservation of wood or wooden materials
08/1990
08/28/1990CA1273153A1 Biocidal combinations of active substance
08/25/1990CA2010808A1 Mixtures containing organosilicon compounds and use of same for hydorphobizing and antimicrobial impregnation
08/21/1990US4950685 Synergistic; quartenary ammonium compound and 3-iodo-2-propynyl butyl carbamate
08/21/1990US4950329 First and second surfactonts of low and high hydrophilic lipophilic balance walues; storage stability
08/21/1990CA1272854A1 Wood preservative
08/21/1990CA1272853A1 Wood preservative
08/14/1990CA1272558A1 Wood preservatives
08/08/1990EP0381482A2 Anti-sapstain wood treatment
07/1990
07/18/1990EP0377817A1 Process for the impregnation of wood
07/17/1990US4942067 Pressurized solution of thujone oil penetrating wood
07/17/1990US4942064 Nitrogen containing compounds and carboxylic acid containing fixing agents, preservatives
07/17/1990CA1271760A1 Azolylmethylcycloalkanes, their preparation and fungicides containing them
07/03/1990US4939285 Process for the preparation of metal salts of phosphoric and phosphonic acid esters
06/1990
06/27/1990EP0374804A2 Process for protecting stony materials, marble, tiles and cement from atmospheric agents and pollutants
06/27/1990EP0374803A2 Process for protecting and consolidating stony materials
06/26/1990US4937143 Compositions and processing for preserving and/or coloring wood
06/19/1990US4935410 Fungicidal aluminum tris-alkyl-phosphonate composition
06/19/1990CA2005749A1 Process for protecting stony materials, marble, tiles and cement from atmospheric agents and pollutants
06/19/1990CA2005748A1 Process for protecting and consolidating stony materials
06/13/1990CN1008337B Impregnating oil and the use of its for preserving wood
06/12/1990US4933210 Durable anti-rusting method
06/05/1990CA1269899A1 Method of surface impregnation of wood articles and wood articles made therewith
05/1990
05/31/1990WO1990005621A1 Method of perfusing a porous workpiece with a chemical composition using cosolvents
05/31/1990DE3839641A1 Wood preservative
05/30/1990EP0370665A2 Wood preservative and soil treatment composition
05/30/1990EP0370371A2 Wood preservative
05/30/1990EP0370299A1 Aqueous coating material, process for its preparation and its use
05/30/1990EP0370182A2 Wood preservative
05/30/1990EP0234462B1 Salt of a substituted morpholine with fluoroboric acid and agent for the protection of wood
05/29/1990US4929454 Wood treatment composition
05/29/1990CA1269602A1 Base-activated wood polymer adhesive system
05/23/1990EP0368956A1 Quaternary ammonium dithiocarbamate compounds
05/23/1990CA2002346A1 Wood preservative and soil treatment composition
05/19/1990CA2003214A1 Aqueous coating agent, a process for its preparation and its use
05/08/1990US4923760 Waterborne penetrating coating composition method
04/1990
04/24/1990US4919724 Stable aqueous emulsions of ketene dimer/nonreactive hydrophobe
04/19/1990DE3835370A1 Wood preservative
04/19/1990DE3835076A1 Antimicrobial emulsions
04/18/1990EP0364246A1 Wood preservative composition and method of treating wood with same
04/18/1990CN1041309A Method for preventing colour change of tung-wood board
04/17/1990US4917922 Flame retardant plant
04/11/1990EP0363316A1 Biocides to protect materials and for water systems
04/11/1990EP0362358A1 Method for restoring and reinforcing wooden structural component.
04/11/1990CN1007500B Improved process for preserving wood
04/10/1990US4915909 On wood in industrial water systems
04/05/1990WO1990003112A1 Pesticidal control
04/04/1990EP0361892A2 Improvements in or relating to preservatives and/or biocides
03/1990
03/28/1990EP0359935A2 Impregnation oil
03/27/1990US4911988 Preservative elements containing organic boron compounds and their use
03/22/1990WO1990002612A1 Supercritical fluid-aided treatment of porous materials
03/22/1990DE3920912A1 Impregnating oil for protecting wood - contg. lower boiling components of coal tar oil and aromatic resin
03/13/1990US4908362 Salt of a substituted morpholine with fluoboric acid, fungicidal composition and use
03/13/1990US4908085 Wrapping lightweight oil absorbent pad around zone to be treated, applying wood preservative solution to pad, applying waterproof plastic backing sheet around pad
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