| 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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| 08/29/1978 | US4110155 Method of manufacturing synthetic resin coated papers |
| 08/22/1978 | US4109053 Cationic dispersant of polyaminopolyamide-, alkylenepolyamine-, or polydiallylamine- epichlorohydrin resins |
| 08/22/1978 | US4109043 Low pressure melamine resin laminates |
| 08/22/1978 | CA1037190A1 Epihalohydrin modified diallylamine polymers |
| 08/22/1978 | CA1037189A1 Stabilized aromatic polyamide compositions and products therefrom |
| 08/22/1978 | CA1037181A1 Stabilized vinylbenzyltrialkylammonium salt copolymers and process therefor |
| 08/15/1978 | US4107073 Pulp and papermaking additive |
| 08/01/1978 | US4104226 Pulp additives in paper manufacture |
| 07/25/1978 | USRE29711 Polyoxyalkylene polyol endcapped with polyisocyanates, polyamine; tough, abrasion resistant |
| 07/25/1978 | US4103080 High molecular weight water soluble polyacrylamide, storage stability |
| 07/25/1978 | US4102738 Use of chitosan in corrugating medium |
| 07/18/1978 | US4101359 Cellulosic wadding layers bonded to paper carrier sheet |
| 07/04/1978 | US4098997 Process for preparing cross-linked starches |
| 07/04/1978 | US4098954 Method for eliminating or preventing the brightening effects of anionic optical brighteners |
| 06/27/1978 | US4097427 Cationization of starch utilizing alkali metal hydroxide, cationic water-soluble polymer and oxidant for improved wet end strength |
| 06/20/1978 | US4096305 Rigid-when-wet paperboard containers and their manufacture |
| 06/13/1978 | US4094846 Low pressure melamine resins containing elastomers |
| 06/13/1978 | US4094736 Preparation of cellulosic materials |
| 06/06/1978 | US4093779 Paper coated with ammonia-containing sizing compositions |
| 06/06/1978 | US4093605 Auxiliary agent for improving retention, drainage and treatment |
| 06/06/1978 | US4093542 Flocculating agent comprising water-in-oil emulsion of H-active polymer carrying formaldehyde and amine radicals |
| 06/06/1978 | US4093510 Xanthated starch amine paper additives |
| 05/30/1978 | US4092457 Method for the production of a synthetic fiber paper having an improved printability for offset printing and the product thereof |
| 05/30/1978 | US4092266 Process for removing foam from aqueous systems and composition useful therein |
| 05/23/1978 | US4091167 Method for preparing paper board having improved wet compression strength |
| 05/23/1978 | US4090992 Water-in-oil emulsion |
| 05/23/1978 | US4090887 Pigmented microporous silica microspheres produced by a water in oil emulsion |
| 05/09/1978 | US4088530 Dry strength paper and process therefor |
| 05/02/1978 | US4087395 Sizing of paper |
| 04/25/1978 | US4085701 Apparatus for wax impregnation |
| 04/11/1978 | US4084048 Polymers containing dioxythiazole-2-oxide groups |
| 04/11/1978 | US4083835 Coating processes, compositions and substrates coated with maleic anhydride copolymers having the anhydride moieties reacted with hydrozine or its derivatives |
| 04/11/1978 | US4083749 Treating an aqueous pulp slurry containing a cationic neutral sizing agent with an oxidizing agent |
| 04/04/1978 | US4082730 Cationic water soluble resin, acrylamide, basic catalyst, addition polymerization |
| 03/28/1978 | US4081318 Applying foamed aqueous binder to rotating cylindrical transfer surface above web |
| 03/14/1978 | US4079044 Glyoxal modified poly(β-alanine) strengthening resins for use in paper |
| 03/14/1978 | US4079043 Glyoxal modified poly(beta-alanine) strengthening resins for use in paper |
| 03/07/1978 | US4077930 Self-inverting emulsions of dialkyldiallyl ammonium chloride polymers and copolymers |
| 02/28/1978 | US4076896 Paper containing rapid curing melamine-formaldehyde resin composition |
| 02/28/1978 | US4076662 Modified aminoplast compositions |
| 02/28/1978 | US4076581 Urea-formaldehyde resin, carboxymethylcellulose salt |
| 02/21/1978 | US4075177 Thermally hardenable cationic resin from dicarboxylic acid, dialkanolamine and polyamine copolymer condensed with epichlorohydrin |
| 02/21/1978 | US4075136 Functional ionene compositions and their use |
| 02/21/1978 | US4075028 Carbamide or thiocarbamide and derivatives |
| 01/31/1978 | US4071468 Anionic surfactants |
| 01/31/1978 | US4071375 Process for preparing stable aqueous dispersions of rosin-base material |
| 01/24/1978 | US4070319 Acrylic, methacrylic, or vinyl ester, for non-woven cellulose base substrate |
| 01/24/1978 | US4070236 Paper manufacture with improved retention agents |
| 01/24/1978 | US4070152 Textile treating compositions for increasing water and oil repellency of textiles |
| 01/03/1978 | US4066687 Sequestrants |
| 01/03/1978 | US4066495 Method of making paper containing cationic starch and an anionic retention aid |
| 01/03/1978 | US4066494 Nitrogenous condensation products used as retention aids in papermaking |
| 01/03/1978 | US4066493 Treating cellulosic materials |
| 12/27/1977 | US4065608 Alkylenediamine modified maleic anhydride-olefin copolymer |
| 12/27/1977 | US4065349 Monoester of a benzene anhydride and a cationic retention aid |
| 12/20/1977 | US4064213 Creping process using two-position adhesive application |
| 12/20/1977 | US4063995 Fibrous webs with improved bonder and creping adhesive |
| 12/20/1977 | US4063976 Calcium sulfate plaster core, reduction of starch migration into paper |
| 11/29/1977 | US4060679 Method of preparing a low molecular weight paper size polymer by continuous polymerization in the absence of initiator |
| 11/29/1977 | US4060507 Aminopolyamide-acrylamide-glyoxal resin |
| 11/15/1977 | US4058648 Dense paper |
| 11/08/1977 | US4057674 Process for preparing dry, laminating impregnated papers or cloths, and process for producing decorative plates using the same |
| 11/08/1977 | US4057533 Process for preparation of quaternized cationic vinyllactam-acrylamide copolymers |
| 11/01/1977 | US4056432 Process for making paper products of improved dry strength |
| 11/01/1977 | US4056431 Resin-containing cellulosic overlays |
| 11/01/1977 | US4056430 Alkyleneaminophosphonic acid |
| 10/18/1977 | US4054542 Amine-epichlorohydrin polymeric compositions |
| 10/11/1977 | US4053533 Oxidation of acetylenic impurities with copper manganite catalyst |
| 10/04/1977 | US4052529 Radiation-curable mercaptoalkyl vinyl polydiorganosiloxanes, method of coating there with and coated article |
| 10/04/1977 | US4052492 Asphalt, cellulose fiber |
| 10/04/1977 | US4052259 Manufacture and use of water-soluble auxiliary agents based on polyaminoamides for the production of paper |
| 09/27/1977 | US4051277 Rigid-when-wet paperboard containers and their manufacture |
| 09/27/1977 | US4051276 Organo-metallic compounds |
| 09/27/1977 | US4051093 Manufacture of shear-resistant aqueous copolymer emulsions |
| 09/20/1977 | US4049593 Inorganic substance composition and process for producing same |
| 09/13/1977 | US4048125 Polyelectrolytes, filter paper |
| 09/06/1977 | US4046937 Melamine-aldehyde resin and postformable laminate made therefrom |
| 09/06/1977 | US4046935 Phenolic resins |
| 08/23/1977 | US4043984 Cross-linking agents |
| 08/23/1977 | US4043954 Compositions and laminates made therefrom |
| 08/23/1977 | US4043863 Process for sizing cellulose fibers with sulfamoylchlorides |
| 08/16/1977 | US4042451 Nitro compounds, amines, phosphorus acids |
| 08/09/1977 | US4040900 Dispersing on web an emulsion of a substituted cyclic dicarboxylic acid anhydride and a polyoxyalkylene alkyl or alkyl-aryl ether |
| 07/26/1977 | US4038233 Aqueous resin composition containing polymers or copolymers of ethylenically unsaturated monomers and a water-soluble cationic polyelectrolyte polymer |
| 07/19/1977 | US4036821 Manufacture of modified basic polyaminoamide with ammonium compound |
| 07/19/1977 | US4036682 Paper with synergistic dry strength additives and process therefor |
| 07/12/1977 | US4035229 Paper strengthened with glyoxal modified poly(β-alanine) resins |
| 07/05/1977 | US4033913 Cellulose and cellulose products modified by silicic acid |
| 06/28/1977 | US4032392 Coated sheets |
| 06/21/1977 | US4031138 Stable substituted acrylamides or methacrylamides |
| 06/21/1977 | US4031064 Aminoplast curing agents |
| 06/21/1977 | US4030970 Surface sizing of paper with an acrylic copolymer where scum formation is minimized |
| 06/14/1977 | US4029885 Cationic starch sizing |
| 06/14/1977 | US4029622 Acrylic |
| 06/14/1977 | US4029544 Method of making a novel starch derivative and the product produced thereby |
| 06/07/1977 | US4028173 Methods of making combined titanium dioxide and calcium carbonate and opaque paper containing the resulting combination |
| 06/07/1977 | US4028172 Process of making paper |
| 05/31/1977 | US4026762 Opacifier |
| 05/31/1977 | US4026721 Composite silicate pigment |
| 05/24/1977 | US4025354 Urea containing sizing compositions |