| Patents for D21H 27 - Special paper not otherwise provided for, e.g. made by multi-step processes (13,797) |
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| 01/14/1992 | US5080758 Chemi-mechanical liner board |
| 12/24/1991 | US5074962 Dehydrating mixture of thermoplastic and natural fibers to for m paper sheet, writing, attaching superposed sheet by heating under pressure |
| 12/18/1991 | EP0461475A1 Method for transferring a pattern onto a substrate and use of a film |
| 12/11/1991 | CN2090388U Waterproof compound wall paper |
| 12/04/1991 | EP0459552A1 Electroconductive barium sulphate and process for manufacturing the same |
| 12/04/1991 | EP0458973A1 Method of making watermarked paper |
| 12/04/1991 | CN2089919U Net aluminium foil reinforced paper |
| 11/27/1991 | EP0458657A1 Absorbent perf-embossed debonded pulp board |
| 11/27/1991 | CA2043171A1 Electrically conductive barium sulfate and process of producing it |
| 11/26/1991 | US5068139 Composite paper reinforced thermoplastic article |
| 11/26/1991 | US5068079 Method for forming a dry web on the wire |
| 11/19/1991 | CA1292340C Release agent and manufacturing method of release paper with use thereof |
| 10/31/1991 | DE4013280A1 Crosslinking compsns. for prodn. of antiadhesive coatings - contain alkenyl:oxy-functional organo:polysiloxane with silane gps. and catalyst for addn. reaction |
| 10/30/1991 | EP0454130A2 Curable compositions and their use for preparing release coatings. |
| 10/29/1991 | US5061524 Hydrophobic and/or abhesive materials, reactive diluents |
| 10/29/1991 | US5061345 Method of making a multiple ply paper product containing an outer ply of reclaimed white office waste |
| 10/29/1991 | US5061344 Method of making soft paper |
| 10/25/1991 | WO1991016493A1 Paper machine for the manufacture of high bulk soft crepe paper |
| 10/23/1991 | EP0453131A2 Security paper and method of manufacturing same |
| 10/16/1991 | CN1055404A Production of heat sensitizing transfer printing paper and its transferring method |
| 10/13/1991 | CA2040298A1 Security paper and method of manufacturing same |
| 10/09/1991 | CN2086272U Metallized wall paper |
| 10/09/1991 | CN1055211A Prodn process of aluminized paper |
| 10/08/1991 | US5055161 Multiple ply paper product containing an outer ply of reclaimed white office waste |
| 10/08/1991 | CA1290289C Package |
| 10/01/1991 | US5053268 Composite paper |
| 09/25/1991 | EP0242361B1 Fibre-reinforced foam- or cellular bodies |
| 09/24/1991 | CA1289399C Method for the manufacture of coloured egg packages, apparatus for carrying such a method into effect and egg packages manufactured by this method |
| 09/24/1991 | CA1289305C Production of high strength linerboard with oxygen and alkali |
| 09/19/1991 | WO1991014046A1 Photographic reflection print material with improved keeping properties |
| 09/18/1991 | EP0446228A1 Decorative high-pressure laminate and a process for producing a surface layer thereon. |
| 09/11/1991 | EP0446138A1 Process for making paper for filterbags and product |
| 09/10/1991 | US5047466 Amino resin solutions having low electrical conductivity |
| 09/10/1991 | US5047282 Translucent and variegated decorative laminate having an effect of depth |
| 09/04/1991 | EP0444139A1 Composite paper reinforced thermoplastic article |
| 09/04/1991 | EP0332618B1 Method of making soft paper |
| 09/03/1991 | US5045378 Paperboard sheets with a scribed grid and a method for making the same |
| 08/28/1991 | EP0443298A2 A plastic coating machine for joining together paper or cardboard sheets with a transparent film by means of solvent-free adhesives |
| 08/28/1991 | EP0305433A4 Method for manufacturing a mineral panel |
| 08/28/1991 | EP0297132A4 Method for manufacture of lightweight frothed mineral wool panel |
| 08/28/1991 | EP0296233A4 Low density frothed mineral wool panel and method |
| 08/28/1991 | CN2083592U Wallpaper |
| 08/21/1991 | EP0441950A1 Aqueous dielectric coating compositions and method of producing coatings |
| 08/14/1991 | EP0339032B1 Coating apparatus and method |
| 08/13/1991 | CA1287452C Ethylene vinyl acetate compositions for paper saturation |
| 08/07/1991 | EP0439886A1 Composite paper |
| 08/06/1991 | US5037694 One step coating, impregnation |
| 07/31/1991 | EP0438755A1 Paper and board-paper making process from paper materials containing perturbating compounds |
| 07/31/1991 | CN1053464A Compounding method of fine filter paper board raw material |
| 07/25/1991 | WO1991010851A1 Sealing gasket assembly, method of manufacture, and method of application |
| 07/24/1991 | EP0437623A1 Aqueous emulsion |
| 07/24/1991 | CN2081398U 金属墙纸 Metal Wallpaper |
| 07/23/1991 | US5034272 Cellulose, paper, thermosetting resin |
| 07/23/1991 | US5034084 Method for obtaining marbleized coatings on sheet-like materials and synthetic resin-containing support sheets suitable for this purpose |
| 07/11/1991 | WO1991010011A1 Flexible, tear-resistant and burst-resistant sheet, with reduced liquid absorbancy and controlled porosity |
| 07/10/1991 | EP0436170A2 Process and installation for the production of embossed household or sanitary paper |
| 07/09/1991 | US5030263 Impregnated with heat curable phenolic resin |
| 07/04/1991 | DE4018766A1 Solns. of melamine-urea-formaldehyde resins - with low viscosity are prepd. partic. for decorative laminate prodn. |
| 07/03/1991 | EP0435001A2 Laminat |
| 07/03/1991 | CN2080074U Wood pulp kraft crepe paper |
| 06/27/1991 | WO1991009172A1 Method of making watermarked paper |
| 06/26/1991 | EP0434668A1 A membrane support means |
| 06/26/1991 | EP0434579A1 UV curable compositions for use, in particular, in the field of antiadherent-paper and optical fibers |
| 06/26/1991 | EP0434459A1 Packaging materials and processes for producing packaging materials |
| 06/25/1991 | US5026507 Fluorescent whitening agents, products comprising the agent and method of use thereof |
| 06/25/1991 | CA1285165C Single-sheet printer paper and a method for its use |
| 06/13/1991 | WO1991008235A1 Production of stable polymer dispersions using amphoteric polymers as stabilizers |
| 06/12/1991 | EP0431661A2 Process for manufacturing wallcovering with embossed patterns in the top textile layer and wallcovering manufactured by this process |
| 06/12/1991 | EP0431002A1 A disinfecting or bleaching tissue. |
| 06/12/1991 | CN1052158A Technology for making "three-layer playing cards paper" |
| 06/11/1991 | US5023138 Adhesive tapes, release agents |
| 06/11/1991 | US5023126 Composite towels and method for making composite towels |
| 06/11/1991 | CA1284772C Filter media |
| 05/29/1991 | EP0428507A1 Paper towel and a method for making the same |
| 05/29/1991 | DE3939034A1 Herstellung stabiler polymerdispersionen mittels amphoterer polymerer als stabilisatoren Preparation of stable polymer dispersions by means of amphoteric polymeric stabilizers as |
| 05/22/1991 | EP0428136A1 Method for increasing the bulk of creped tissue and creped tissue product |
| 05/16/1991 | WO1991006705A1 Method for manufacturing a decorative laminate |
| 05/15/1991 | EP0277991B1 Smoking rod wrapper and compositions for their production |
| 05/14/1991 | CA2026797A1 Method for increasing the bulk of creped tissue |
| 05/08/1991 | EP0426548A1 Multi-ply sheet of absorbent paper |
| 05/08/1991 | EP0426459A2 Wrapper for a smoking article |
| 05/08/1991 | EP0426288A2 Method for producing a high bulk paper web and product obtained thereby |
| 05/08/1991 | EP0379561A4 Improvements relating to adherent surfaces |
| 05/07/1991 | US5013599 Uniformity for printing |
| 04/30/1991 | US5011741 Addition of cooked or hydrolyzed corn starch improves tear strength of short fibers of newspapers for reuse as high strenth requirement |
| 04/30/1991 | US5011731 Paper embedded with treads; high strength disposable product |
| 04/24/1991 | EP0423511A1 A packaging material of laminate type |
| 04/24/1991 | EP0311642A4 Temperature adaptable textile fibers and method of preparing same |
| 04/17/1991 | EP0192740B1 Deformable substrate provided with a flexible and deformable label |
| 04/16/1991 | US5008359 Impregnating paper with uncatalyzed polyisocyanate, curing |
| 04/11/1991 | DE3933235A1 Flame retardant paper - is impregnated with organic aluminate salt soln. and coated with wax or silicone |
| 04/10/1991 | EP0421418A2 Method for preparing a ceramic-forming prepreg tape |
| 04/10/1991 | CN1050581A Production technology for thermotropic pressure sensitive mark paper |
| 04/10/1991 | CN1050494A Cigarette and smokable filler material therefor |
| 04/10/1991 | CN1050493A Cigarette and smokable filler material therefor |
| 04/10/1991 | CN1050491A Cigarette and smokable filler material therefor |
| 04/09/1991 | US5006455 Gradation-variable black-and-white paper |
| 04/09/1991 | US5006407 Ink jet transparencies and papers |
| 04/03/1991 | EP0420360A2 Composite fibrous polyethylene sheet |
| 04/03/1991 | EP0419981A2 Cigarette and smokable filler material therefor |