| Patents for D21H 17 - Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution (19,322) |
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| 05/10/1977 | US4022734 Polymer latices containing a water soluble salt of polybasic fatty acid and 2-alkyl imidazoline derivative for use in fiber dispersions |
| 05/10/1977 | US4022634 Ammonia-containing sizing compositions |
| 05/03/1977 | US4021484 Thermal polymerization of alicyclic conjugated polyene and a nitrile |
| 04/26/1977 | US4019921 Chemical condensation products, their preparation and use |
| 04/12/1977 | US4017651 Application of latex followed by coagulation and gelation |
| 04/12/1977 | US4017440 Polymers stabilized with polymerizable vinylbenzyltrialkyl ammonium salt surfactant |
| 04/12/1977 | US4017431 Aqueous dispersions of wax blends and a water-soluble cationic resin and paper sized therewith |
| 04/05/1977 | US4016336 Melamine resin films prepared by impregnating of paper, cellulose, fleece or fabric |
| 03/29/1977 | US4014955 Process for the manufacture of polyethers containing ionic bonds |
| 03/22/1977 | US4013479 Aqueous natural resinoid compositions |
| 03/15/1977 | US4012543 Gloss-calendering, plasticizing and molding fibrous cellulose |
| 03/15/1977 | US4012352 Polyvinyl alcohol microgels |
| 03/08/1977 | US4011363 Curable amino resins |
| 03/08/1977 | US4011096 Opacifiers for coatings and fillers for paper |
| 03/01/1977 | US4010067 Process of preventing formation of resinous deposits in the manufacture of paper and the like |
| 02/15/1977 | US4008121 Method of curtain coating pigment particles on paper plies |
| 02/08/1977 | US4007142 Amine resin and process |
| 02/08/1977 | US4007084 Dry strength paper and process therefor |
| 02/01/1977 | US4006112 Polyester based on trimellitic acid compound |
| 02/01/1977 | US4006054 Method of making filter tubes |
| 01/11/1977 | US4002781 Crosslinking agents |
| 01/11/1977 | US4002588 Hydrophilic-hydrophobic amphoteric polysalt sizing compositions and paper sized therewith |
| 01/11/1977 | US4002527 Solvent-distributed, powdered rubber in beater saturated sheets |
| 01/11/1977 | US4002486 Glyoxal composition |
| 01/04/1977 | US4001193 Anionic sizes |
| 12/28/1976 | US4000343 Substitute textile materials composed of vinyl polymer impregnated creped tissue paper and process of producing same |
| 12/28/1976 | US4000237 Method for producing a soft, absorbent, unitary, laminate-like fibrous web with delaminating strength |
| 12/28/1976 | US4000184 Production of cationic condensation products |
| 12/28/1976 | US4000116 Process for the manufacture of polyethers containing ionic bonds |
| 11/30/1976 | US3995090 Paper core stock having polyvinyl acetate addition before core impregnation |
| 11/23/1976 | US3993851 Phenolated toluene-formaldehyde resin treated with hexamine |
| 11/23/1976 | US3993640 Treatment of cellulosic materials |
| 11/16/1976 | US3992366 Process for crosslinking hydrophilic colloids |
| 11/16/1976 | US3992345 Water-dispersible thermosettable cationic resins and paper sized therewith |
| 11/16/1976 | US3992251 Process of making wet strength paper containing mono primary polyamine and organic dihalide modified, epoxidized polyamide |
| 11/09/1976 | US3990939 Paper sized with ketene dimer modified water-dispersible thermosettable cationic resins |
| 11/02/1976 | US3989659 Water-dispersible thermosettable cationic resins and paper sized therewith |
| 11/02/1976 | US3989586 Absorbent paper products and method of preparation |
| 11/02/1976 | US3989416 Dense paper and method of manufacturing |
| 10/26/1976 | US3988503 Cationic resin |
| 10/26/1976 | US3988280 Water-dispersible thermosettable cationic resins and paper sized therewith |
| 10/19/1976 | US3987230 Glass fibers, epoxy resins, phenolic resins, printed circuits |
| 10/05/1976 | US3984365 Aromatic sulfonic acid stabilizer |
| 09/28/1976 | US3983307 Thin, tough, stable laminate |
| 09/28/1976 | US3983268 Process for surface sizing paper |
| 09/28/1976 | US3982993 Preparation of a wax containing paper sheet |
| 09/14/1976 | US3980800 Polymers of N-(chloroalkoxymethyl)acrylamides, quaternary ammonium derivates |
| 09/14/1976 | US3980578 Metal sequestering method and composition using α,α'-carboxyalkoxy succinic acid compounds |
| 09/07/1976 | US3979492 Process for producing fiberboard |
| 08/24/1976 | US3976824 Treating agent useful for fibrous materials and preparation thereof |
| 08/24/1976 | US3976698 Amines, leather, textiles |
| 08/17/1976 | US3975572 Thin, tough, stable, mar-resistant laminate |
| 08/17/1976 | US3975349 Process for preparing diallyl phthalate latex |
| 08/03/1976 | US3973070 Anti-migratory additive for emulsified phenolic resin systems |
| 08/03/1976 | US3972939 Process for the preparation of polyethylene-polyamine salts of low viscosity |
| 08/03/1976 | US3972929 Cationic surfactant |
| 07/27/1976 | US3971764 Long side-chain aliphatic diol, salt of tertiary nitrogen containing diol; paper sizing |
| 07/13/1976 | US3969549 Organo-metallic |
| 07/13/1976 | US3969295 Aqueous latex material to be used for production of reinforced plastics and binders and method for producing the same |
| 07/06/1976 | US3968317 Water-dispersible thermosettable cationic resins and paper sized therewith |
| 07/06/1976 | US3968005 Paper sizing process using a reaction product of maleic anhydride with a vinylidene olefin |
| 07/06/1976 | US3967974 Synthetic wollastonite and a process for its manufacture |
| 06/29/1976 | US3967016 Reinforced wallboard |
| 06/29/1976 | US3966654 Stable rosin dispersions |
| 06/29/1976 | US3966540 Manufacture of fiberboard according to the wet method with closed backwater system |
| 06/29/1976 | US3966484 Carbamoyl chlorides |
| 06/22/1976 | US3965074 Homopolymers of polyfluorinated vinyl isocyanates |
| 06/15/1976 | US3963848 Flexible coated sheet material |
| 06/08/1976 | US3962509 Tung oil and paraffin wax |
| 06/08/1976 | US3962332 Bis-quaternary ammonium compounds and polymers |
| 06/08/1976 | US3962159 Graft copolymers of a polyamideamine substrate and starch, and method of making same |
| 06/08/1976 | US3961976 Carboxymethyl cellulose, urea, oxidizing agent, metal ion |
| 06/01/1976 | US3960920 Sizing paper |
| 06/01/1976 | US3960794 Manufacture of aqueous suspensions of polyolefin fibrids |
| 06/01/1976 | US3960781 Diaryl urethane, wax, wetting agent |
| 05/25/1976 | US3959570 Application of precipitates of methylene ureas and products obtained |
| 05/25/1976 | US3959196 Alkanol amine neutralized polyoxyalkylated epoxy fatty ester binding agents |
| 05/18/1976 | US3958056 Fiberboard carton product |
| 05/18/1976 | US3957869 N-(chloroalkoxymethyl)acrylamides, quaternary ammonium derivatives thereof, and polymers having a content thereof |
| 05/18/1976 | US3957574 Dicyandiamideformaldehyde condensates as dye fixatives |
| 05/11/1976 | US3956006 Composite pigment of isometric rutile and acicular modified potassium hexatitanate |
| 05/04/1976 | US3955030 Surface covering material having improved dimensional stability |
| 05/04/1976 | US3954724 Addition polymerization |
| 04/27/1976 | US3953407 From a cracked oil fraction |
| 04/27/1976 | US3953283 Paperboard having improved oil resistance |
| 04/27/1976 | US3953169 Paperboard impregnated with polyurethane resin |
| 04/20/1976 | US3951926 Cross-linked ethylene-maleic anhydride interpolymers |
| 04/20/1976 | US3951921 Cationic water soluble resinous reaction product of polyaminopolyamide-epichlorohydrin and nitrogen compound |
| 04/20/1976 | US3951896 Amido-containing resins and compositions containing the same |
| 04/13/1976 | US3950506 Process for the preparation of an olated chromium (III) nitrate |
| 04/06/1976 | US3949112 Textiles, paper |
| 04/06/1976 | US3949014 Binder |
| 04/06/1976 | US3948887 Leather, textiles |
| 03/30/1976 | US3947393 Phenolic resin, mesitylene-formaldehyde resin |
| 03/16/1976 | US3944703 Fibrous batts impregnated with aqueous dispersions based on heat-hardenable phenolic resins |
| 03/16/1976 | US3944532 Novel resins and manufacturing the same |
| 03/09/1976 | US3943114 Polymers of N-aminoalkyl acrylamides |
| 03/09/1976 | US3943112 Perfluorinated vinyl isocyanate copolymers; oil and water repellents |
| 03/09/1976 | US3943079 Discontinuous cellulose fiber treated with plastic polymer and lubricant |
| 03/09/1976 | US3943000 Alkylene oxide modified cereal flours and process of preparing the same |