| Patents for D21H 27 - Special paper not otherwise provided for, e.g. made by multi-step processes (13,797) |
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| 08/10/1983 | EP0085494A2 A smoking article having reduced sidestream smoke |
| 07/26/1983 | US4395452 Abrasion resistant laminate |
| 07/26/1983 | US4395332 Adsorption and filtration mat for liquids |
| 07/21/1983 | WO1983002469A1 High bulk pulp, filter media utilizing such pulp, related processes |
| 07/19/1983 | US4394416 Film-paper fiber layer laminate and process for preparation thereof |
| 07/12/1983 | US4392861 Two-ply fibrous facing material |
| 07/12/1983 | CA1149699A1 Filter and method of making same |
| 07/06/1983 | EP0083197A1 A tipping assembly for an elongate smoking article |
| 06/22/1983 | EP0081967A1 Production of laminate materials |
| 06/01/1983 | EP0079927A1 A method for treating a fibrous material and a plant for carrying out the method |
| 05/31/1983 | US4386183 Release coatings based on polyvinyl alcohol |
| 05/17/1983 | US4384017 Wallpaper preparation board |
| 05/17/1983 | CA1146396A1 Layered paper having a soft and smooth velutinous surface, and method of making such paper |
| 05/11/1983 | EP0078424A2 Layer structure, and method for the continuous manufacture of a layer structure |
| 04/27/1983 | EP0077510A2 Absorbent material for water, aqueous solutions and aqueous body fluids |
| 04/20/1983 | EP0077005A1 Patterned dry laid fibrous web products of enhanced absorbency |
| 04/20/1983 | EP0076888A2 Absorbent flat product, and process for its manufacture |
| 04/12/1983 | US4379808 Sheet type forming board and formed board products |
| 04/05/1983 | US4379015 Production of waterproof corrugated paperboard |
| 03/23/1983 | EP0074528A1 Heat-sensitive adhesive paper and method of making it |
| 03/22/1983 | US4377543 Strength and softness control of dry formed sheets |
| 03/22/1983 | CA1143199A1 Method of and apparatus for making imprinted paper |
| 03/15/1983 | US4376671 Multi-ply fibrous web structure and its manufacture |
| 03/09/1983 | EP0073668A1 Low density nonwoven sheets |
| 03/09/1983 | EP0073571A2 Backing sheet for cushioned floors |
| 03/08/1983 | CA1142397A1 Abrasion-resistant laminate |
| 03/01/1983 | CA1142039A1 Silicone-coated article and process for production thereof |
| 02/23/1983 | EP0072548A1 Process for preparing multilayer fibrous structures |
| 02/15/1983 | CA1141250A1 Smoking articles |
| 02/08/1983 | US4372814 Paper having mineral filler for use in the production of gypsum wallboard |
| 02/01/1983 | CA1140442A1 Heat reflecting wall-cover |
| 01/19/1983 | EP0070172A1 Paper incorporating a partially embedded strip, methods for making paper and security documents |
| 01/04/1983 | US4367251 Halogenonium or sulfonium photoinitiators, a-olefin oxides |
| 12/28/1982 | US4366068 Filter and method of making same |
| 12/28/1982 | US4365425 Controlled curing of air-permeable bonded webs |
| 12/28/1982 | CA1138239A1 Heat seal fibrous web and method of its manufacture |
| 12/15/1982 | EP0066854A1 Security paper and method for its manufacture |
| 12/09/1982 | WO1982004271A1 A method for treating a fibrous material and a plant for carrying out the method |
| 11/30/1982 | US4361615 Bowling lane |
| 11/30/1982 | CA1136359A1 Overlay sheet and wood laminate |
| 11/25/1982 | WO1982004014A1 Paper having mineral filler for use in the production of gypsum wallboard |
| 11/10/1982 | EP0064309A2 A process for the manufacturing of paper, particularly corrugated paperboard |
| 11/09/1982 | CA1135438A1 Cureable organopolysiloxane composition containing microcapsules |
| 11/09/1982 | CA1135099A1 Manufacture of absorbent paper products |
| 11/02/1982 | CA1134755A1 Adsorption and filtration mat for liquids |
| 10/27/1982 | EP0063301A1 Use of water-soluble polymers as adhesion promoters in the production of crêpe paper |
| 10/26/1982 | US4355762 Apparatus for establishing a liquid curtain |
| 10/19/1982 | US4355226 Apparatus for the spark perforation of sheet materials |
| 10/19/1982 | CA1133818A1 Security paper from film-fibril sheets |
| 09/21/1982 | US4350788 Acetoacetylated polyvinyl alcohol as protective colloid |
| 09/21/1982 | CA1131958A1 Creping adhesives for through-dried tissue |
| 09/08/1982 | EP0059207A1 Non woven wet-lay process and multilayer flexible web for roofing felt made thereby. |
| 09/01/1982 | EP0059056A1 Method for making a fibrous sheet |
| 08/24/1982 | US4345545 Apparatus for electron curing of resin coated webs |
| 08/10/1982 | US4343850 Decorated laminate having indicia applied photoelectrographically and method of making same |
| 08/10/1982 | CA1129265A1 Substrates impregnated with thermosetting synthetic resins and a process for the preparation thereof |
| 08/03/1982 | US4342423 Curtain coating method |
| 07/20/1982 | US4340634 Heat-reflective wall-paper or wall liner |
| 07/13/1982 | US4339088 Embossing method to avoid nesting in convolutely wound rolls and product |
| 07/06/1982 | CA1127023A1 Coating composition for release sheets |
| 06/24/1982 | WO1982002067A1 Process for the manufacture of decorative laminates |
| 06/23/1982 | EP0054405A1 Process for the manufacture of decorative laminates |
| 06/22/1982 | CA1126025A1 Differential gloss release sheet |
| 05/26/1982 | EP0052237A2 Paper for concrete with exposed aggregate and method for its manufacture |
| 05/25/1982 | CA1124121A1 Soft absorbent imprinted paper sheet and method of manufacture thereof |
| 05/11/1982 | CA1123194A2 Surface treatment of paper webs |
| 04/28/1982 | EP0050398A2 Release sheet and method and apparatus of providing surface replication in a release coating |
| 04/27/1982 | US4327141 Abrasion-resistant laminate |
| 04/27/1982 | US4327121 Acrylic functional curing material |
| 04/20/1982 | US4326000 Sanitary paper |
| 04/20/1982 | CA1122045A1 Apparatus and process for preparing hard or medium density board |
| 03/30/1982 | US4322468 Abrasion-resistant decorative laminates |
| 03/30/1982 | US4322450 Surface replication on a coated substrate |
| 03/18/1982 | WO1982000837A1 Method for manufacturing by wet process a non-woven layer and multilayer flexible sheet for roofing cardboard manufactured with such layer |
| 03/16/1982 | US4320172 Modified by an alkyd resin or an acrylic resin |
| 03/16/1982 | US4320162 Embossment |
| 03/16/1982 | US4319974 Epoxy adhesives using onium salt phoitinitiators |
| 03/09/1982 | CA1119375A1 Sheets of modified cellulosic fibers |
| 03/09/1982 | CA1119358A1 Post-treatment of humic acid-dyed paper |
| 02/03/1982 | EP0045143A1 Alkali-soluble hot melt adhesive compositions |
| 02/03/1982 | EP0045135A1 Method of making a laminated sheet material |
| 02/03/1982 | EP0045014A1 Apparatus for electron curing of resin coated webs |
| 01/26/1982 | EP0036883A4 Release coatings. |
| 01/20/1982 | EP0044178A2 Fibrous composite materials and the production and use thereof |
| 01/20/1982 | EP0044161A2 Fibrous composite materials and the production and use thereof |
| 01/20/1982 | EP0044160A1 Fibrous composite materials and the production and use thereof |
| 01/19/1982 | US4311766 Sheets, stripping, acrylic polymers |
| 01/19/1982 | US4311746 Corrugated paper board |
| 01/19/1982 | US4311555 Method of manufacturing fiberboard |
| 01/19/1982 | CA1116452A1 Tissue paper machine |
| 01/12/1982 | CA1115908A1 Process for manufacture of thermoformable panels |
| 01/06/1982 | EP0043290A1 Process and apparatus for producing non-woven fibrous cellulosic sheet material |
| 01/06/1982 | EP0043062A2 Process for the manufacture of printed wallpaper foils |
| 01/05/1982 | US4309247 Cellulose fiber matrix containing fine particles of filter aid; for filtration of submicron particles from liquids |
| 12/30/1981 | EP0042716A1 Process for preparing multi-layer structures from sheets containing synthetic fibres |
| 12/29/1981 | US4308092 Creping paper using cationic water soluble addition |
| 12/29/1981 | CA1115162A1 Smoking rod wrapper |
| 12/15/1981 | US4306050 Pentaerythritol, tri(meth)acrylate |
| 12/15/1981 | US4305987 Thermoset resin, mineral, stabilizing binder, print design |
| 12/09/1981 | EP0041205A1 Process for the manufacturing of filter materials |