Patents for D21H 17 - Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution (19,322)
04/1979
04/24/1979US4151336 Adding additional monomer and free radical initiator
04/24/1979US4151327 Complex amine/silane treated cellulosic materials
04/24/1979US4151142 Wet adhesion emulsions of polymer resins systems employed in water-based paint and coating compositions comprising as a component thereof monomer containing an ethylenic double bond and a ureido group polymerized therein
04/24/1979CA1053088A1 Wax impregnation of corrugated paperboard
04/24/1979CA1053045A1 Multi-layer composite paper and method of producing the same
04/18/1979EP0001539A1 A method for the production of a fibrous mat or sheet
04/17/1979US4150194 Low emission phenolic resin compositions
04/17/1979CA1052689A1 Process for the antimicrobial finishing of paper
04/10/1979USRE29960 Using a cyclic dicarboxylic anhydride and a polyoxyalkylene alkyl or alkylaryl ether or the mono- or di-ester
04/10/1979US4148949 Method of increasing polymerization reaction rates in the production of a fiber-thermoplastic matrix by in situ bulk polymerization
04/10/1979US4148665 Sulfosuccinic acid or amide, sodium salt
04/03/1979US4147682 Carboxylic or sulfonic acid addition polymer, polyaluminum chloride
04/03/1979US4147586 Cellulosic paper containing the reaction product of a dihaloalkane alkylene diamine adduct and epihalohydrin
04/03/1979US4147585 Styrene, vinyl alkyl ether and fatty amine
04/03/1979CA1051765A1 Plasterboard manufacture
03/1979
03/27/1979US4146515 Making a lightly oxidized starch additive by adding a cationic polymer to starch slurry prior to heating the slurry
03/27/1979US4146041 Humic acid derivatives, ion exchanging
03/27/1979CA1051595A1 Alkanol amine neutralized polyoxyalkylated epoxy fatty ester binding agents
03/27/1979CA1051570A1 Polyester/starch paper sizing
03/20/1979US4145382 From a polyfluoroalkanol and a phosphorus oxyhalide, hydrolyzing and salt formation with an ethanolamine
03/20/1979US4145248 Air drying process
03/20/1979US4145247 Polyepoxides
03/20/1979CA1051144A1 Method of eliminating or preventing the brightening effect on fibrous materials of anionic optical brightening agents
03/20/1979CA1051135A1 Graft copolymers, method of making same and method of using same
03/13/1979US4144123 Incorporating a crosslinked polyamidoamine condensation product into paper-making pulp
03/13/1979US4144122 To reduce inter-fiber bonding
03/13/1979US4144120 Method for treating paper with a composition containing hydantoin compounds and a copolymer
03/13/1979CA1050680A1 Retention aids and flocculants based on polyacrylamides
03/07/1979EP0000922A1 A process for preparing a non-woven fibrous web from fibers and a latex, and the non-woven fibrous material so prepared
03/07/1979EP0000921A1 A method for preparing a high strength composite and fibrous web comprising a dried composite
03/06/1979CA1049714A1 Removable paper
03/06/1979CA1049712A1 Discontinuous cellulose fiber treated with plastic polymer and lubricant
02/1979
02/27/1979US4141750 For paper, a reaction product of a lewis acid and urea mixed with a rosin modified by unsaturated aliphatic acid
02/27/1979CA1049675A1 Process for preparing aqueous dispersions of high polymer
02/21/1979EP0000714A2 Auxiliary agent for the improvement of retention, dehydration and preparation, especially for the manufacture of paper
02/21/1979EP0000706A1 Use of polyimide amine salts as cationic paper surface sizing agents
02/13/1979US4139507 One-component binder for fiberboard
02/13/1979CA1048321A1 Dense paper and method of manufacturing
02/06/1979US4138419 Emulsifiers, sizing
02/06/1979CA1047708A1 Manufacture of fibreboard according to the wet method with closed backwater system
01/1979
01/30/1979US4137046 Coating or impregnating with a polyisocyanate, hardening
01/30/1979CA1047692A1 Amine-epichlorohydrin polymeric compositions
01/30/1979CA1047208A1 Dry strength paper and process therefor
01/30/1979CA1047207A1 Paper with synergistic dry strength additives and process therefor
01/23/1979US4136228 Cold punchable laminates
01/23/1979US4135969 Glycidaldehyde modified cationic polyacrylamide polymers used in paper
01/23/1979CA1047189A1 Process for preparing diallyl phthalate latex
01/23/1979CA1046815A1 Paper manufacture
01/10/1979EP0000221A1 Anionic paper surface sizing agents.
01/10/1979EP0000129A1 Method for the purification of clay suspensions and application of the obtained products
01/09/1979US4133694 Hard media grinding of sodium aluminum silicate pigments
01/02/1979US4132806 Novel precipitated siliceous products
01/02/1979US4132560 Pigmented microporous silica microspheres
01/02/1979CA1045735A1 Stable rosin dispersions
12/1978
12/26/1978US4131574 Adding an amino resin to a starch slurry, oxidation
12/26/1978CA1044938A1 Sheet material rendered less flexible by coating with a material curable with actinic light
12/26/1978CA1044859A1 Method of sizing paper
12/26/1978CA1044858A1 Dry strength paper and process therefor
12/19/1978US4130589 Oxyalkylated alkyl polyamines as defoaming agents
12/19/1978CA1044407A1 Paper sizing
12/12/1978US4129532 Uses novel class of monomers
12/12/1978CA1043956A1 Method of deacidifying paper
12/05/1978US4128699 Drying oil
12/05/1978US4128696 Low pressure melamine resin laminates
12/05/1978CA1043812A1 Process for the preparation of a saturated polycyclic carboxylic acid
12/05/1978CA1043790A1 Quaternary ammonium substituted hydroxy s-triazines
12/05/1978CA1043517A1 Sizing agent for paper manufacture and process for preparation thereof
12/05/1978CA1043511A1 Method of sizing paper
11/1978
11/28/1978US4127563 Low pH preparation of cationic starches and flours
11/28/1978US4127418 Paper sizing process
11/21/1978US4126512 Perlitic insulating board
11/14/1978CA1042466A1 Quaternary surface active compounds and process of treating cellulose fibers therewith
11/07/1978US4124758 Aminated hydroxyalkyl cellulose
11/07/1978US4124439 High bulk paper of great stiffness
11/07/1978CA1042133A1 Cationic polyurethanes
10/1978
10/31/1978US4123319 Phosphamoyl chlroides
10/24/1978US4122253 Aminated starch derivatives
10/24/1978US4122235 Laminate, metal salt curing accelerator
10/24/1978US4122071 Acrylic polymers, wet and dry strength of paper
10/24/1978US4121966 Method for producing fibrous sheet
10/24/1978CA1041092A1 Paper sizing agent
10/17/1978US4120747 Use of ozone treated chemithermomechanical pulp in a high bulk tissue papermaking process
10/17/1978CA1040772A1 Aqueous latex material to be used for production of reinforced plastics and binders
10/10/1978US4119487 Starch ether derivatives, a method for the preparation thereof and their use in paper
10/03/1978US4118273 Incorporation of fine perlite particles in slurry
09/1978
09/26/1978US4117187 Disposable products, acidic polymer binder
09/26/1978CA1039427A1 Manufacture of aqueous suspensions of polyolefin fibrids
09/19/1978US4115331 Acrylic copolymers
09/19/1978US4115187 Agglomerated fillers used in paper
09/19/1978CA1038998A1 Cross-linked ethylene-maleic anhydride interpolymers
09/12/1978US4113834 Calcining
09/12/1978US4113748 Treatment of leather and textiles
09/12/1978US4113685 Flocculating agent comprising water-in-oil emulsion of stabilizer plus NH-active polymer carrying formaldehyde and amine radicals
09/12/1978US4113506 Emulsions of resinic acid isocyanates as sizing agents for paper
09/05/1978US4112174 Fibrous mat especially suitable for roofing products
09/05/1978US4112169 Elastomer modified melamine resin containing laminates
09/05/1978US4112155 Anionic latex of an acrylate-vinyl ester-unsaturated acid copolymer
09/05/1978US4111922 Hydrophilic random interpolymer from quaternary ammonium monomers and method for making same
09/05/1978US4111877 Allyl esters of n-alkyl-omega-(alkyleneureido) amic acids and their synthesis and use in aqueous emulsion polymer systems
09/05/1978CA1037754A1 Use of thermomechanical pulp in a high bulk tissue papermaking process