Patents for D21H 17 - Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution (19,322)
03/1983
03/23/1983EP0074618A1 Addition products of triethanol amine condensate and diglycidyl ether, and use thereof
03/23/1983EP0074558A2 Process for the production of water-solube, nitrogen-containing condensation products, and their use in the manufacture of paper
03/23/1983EP0074544A1 Aqueous sizing compositions
03/22/1983US4377649 Starch, furmaldehyde resins
03/22/1983US4377440 Process for manufacturing of formed products
03/16/1983EP0073908A1 Method of preparing a product containing gelled, hydrolyzed collagen
03/16/1983EP0073872A1 Chemical process in the manufacture of paper
03/16/1983EP0073854A1 Fibrous materials
03/15/1983US4376674 Surface treatment of fiberboard with sodium silicate, calcium carbonate slurry
03/15/1983CA1142811A1 Natural kaolin pigment surface modified with anionic al.sub.2o .sub.3-sio.sub.2 hydrate gel and polymeric binder
03/09/1983EP0073732A1 Ammonium and amine salts of di-perfluoroalkyl group containing acids, compositions and use thereof
03/08/1983US4376078 Reaction product salts of epoxides, polyalkylenepoly-aminoamides, fatty amines and fatty acids or fatty acid esters, halides, isocyanates or ketene dimers
02/1983
02/22/1983US4374673 Stable dispersions of fortified rosin
02/22/1983CA1141758A1 Microfibrillated cellulose
02/16/1983EP0072159A1 Aromatic quaternary ammonium compounds, polymers thereof, polymerisable compositions containing them and methods of making the monomers and polymers
02/16/1983EP0071871A1 Process for making a linerboard
02/09/1983EP0071431A1 Bonded fibrous wet strength webs
02/09/1983EP0071392A1 Paper manufacture
02/09/1983EP0071050A1 Linear, basic polymers, process for their preparation and their use
02/08/1983US4372815 Method for upgrading paper and the product formed thereby
02/08/1983US4372814 Paper having mineral filler for use in the production of gypsum wallboard
02/08/1983CA1140819A1 Manufacture of paper having a high dry strength and a low wet strength
02/01/1983US4371674 Chlorine terminated polyethers
02/01/1983CA1140543A1 Use of xanthan gum in cooked starch to prevent retrogradation
02/01/1983CA1140541A1 Modified nonionic cellulose ethers
01/1983
01/25/1983US4370454 Preparation of maleic anhydride copolymers
01/25/1983US4370443 Quaternary ammonium polytriazines, mordants, fixing agents, cationic surfactants
01/25/1983US4370191 Electrical laminate
01/18/1983US4369292 Lightweight fillers for paper; particles from fthe graft copolymerjization of an unsaturated monomer and a cationic polymer
01/18/1983US4369286 Modified aminoplast resins containing methylolmelamine etherified with a monoalcohol as modifier
01/18/1983US4369116 Liquid filtration method
01/18/1983CA1139833A1 Narrow porous strip production process and strips obtained thereby, namely for fuel cell electrodes
01/18/1983CA1139506A1 Alkoxylated dioxolanes as paper sizing agents
01/12/1983EP0069718A1 Basic aluminium sulphate, its manufacture and use
01/11/1983USRE31124 Reinforced plastics carrier for printed circuits
01/11/1983CA1139164A1 Dimensionally stable backing materials for surface coverings and methods of making the same
01/05/1983EP0068955A1 Stable water-in-oil dispersions of water soluble cationic polymers based on dimethylaminoethyl acrylate salted or quaternary, process for their production and their use as flocculants
01/05/1983EP0068225A1 Use of water-soluble polymers of Di-C1-C3 alkyl-amino-neopentyl-(meth)acrylates as retention, dewatering and flocculating agents
01/05/1983EP0068162A2 Modified aminoplasts, method for their preparation and their application
01/05/1983EP0068040A1 Polyfluoroalkyl esters and their preparation and use
12/1982
12/28/1982US4366299 Copolymers containing fluorine and their use for the water-repellent and oil-repellent treatment of various substrates
12/22/1982EP0067631A1 Flame retardant activated carbon web
12/21/1982US4364795 Succinic or glutaric anhydride synthetic size
12/21/1982CA1137710A1 Additives for increased retention and pitch control in paper manufacture
12/15/1982EP0067076A1 Process for the continuous manufacture in an aqueous environment of fibrous webs containing latex or a similar composition and/or a phenoplastic or aminoplastic, webs so obtained and their optional reuse
12/15/1982EP0067039A1 Fibrous substrate treating process
12/14/1982US4363886 Preparation of amphoteric water-in-oil self-inverting polymer emulsion
12/14/1982US4363770 Molded shells for luggage and the like
12/14/1982US4363669 With plant extracts gums
12/14/1982CA1137261A1 Method of improving the retention of fines in paper making using polyethylene oxide
12/09/1982WO1982004271A1 A method for treating a fibrous material and a plant for carrying out the method
12/08/1982EP0066366A2 Branched polyamidoamines, method for their preparation and method of improving the wet strength of paper using them
12/07/1982US4362781 Flushable premoistened wiper
12/07/1982US4362600 Sulfate fibers, flocculation
11/1982
11/30/1982CA1136619A1 Water soluble guar product and method of making it
11/30/1982CA1136354A1 Chemical compositions useful as paper sizing agents and method of making same
11/25/1982WO1982004014A1 Paper having mineral filler for use in the production of gypsum wallboard
11/23/1982CA1135909A1 Ketene dimer paper sizing compositions
11/17/1982EP0064743A1 Foam compositions for surface application to fibrous substrates
11/16/1982CA1135569A1 Fibrous material including a water-soluble polyoxyalkylene ether alcohol
11/16/1982CA1135460A1 Method for preparing a fibrous sheet
11/10/1982EP0064309A2 A process for the manufacturing of paper, particularly corrugated paperboard
11/09/1982US4358504 An ammonium phosphate
11/03/1982EP0063812A1 A process for the sizing of paper
11/03/1982EP0063699A1 Process for the production of high solids concentration pigmentary titanium dioxide slurries and titanium dioxide dispersions
11/02/1982CA1134755A1 Adsorption and filtration mat for liquids
11/02/1982CA1134556A1 Paper sizing agent and process for the preparation thereof
10/1982
10/27/1982EP0063301A1 Use of water-soluble polymers as adhesion promoters in the production of crêpe paper
10/19/1982CA1134095A1 Air-drying process
10/19/1982CA1134091A1 Organic pigments for using as paper fillers
10/19/1982CA1133924A1 Quaternary ammonium salts of diepoxides and diamines, their preparation and use
10/19/1982CA1133873A1 Mineral filler, method of preparation and use thereof
10/19/1982CA1133661A1 Uncoated paper web for printing and method for making and using same
10/12/1982US4353993 Foam compositions for surface application to fibrous substrates
10/12/1982US4353818 Graft cationic copolymers; fillers for paper
10/06/1982EP0062015A1 Aluminium sulphate composition for water-purifying, paper-sizing and plant dewatering purposes and a method for producing the composition
09/1982
09/29/1982EP0061173A1 Process for dyeing paper
09/28/1982US4351699 Furnish containing a quaternary ammonium compound and a nonionic surfactant
09/28/1982CA1132309A1 Highly charged paper product
09/22/1982EP0060291A1 Paper making process utilizing an amphoteric mucous structure as binder.
09/21/1982US4350567 Method of producing a building element
09/21/1982CA1131974A1 Transfer sheet containing a toner receiving layer of thermoplastic acrylic-styrene copolymer and fumed silica
09/21/1982CA1131958A1 Creping adhesives for through-dried tissue
09/15/1982EP0059850A1 Self-extinguishing paper materials
09/14/1982US4349641 Organic pigments
09/14/1982US4349610 Coating with an alkyl di- or tri- alkoxysiloxane and a polymerization catalyst; polysiloxanes; protective coatings
09/14/1982CA1131416A1 Resin-containing cellulosic overlays
09/08/1982EP0059446A1 Method for the production of maleic anhydride copolymers
09/07/1982US4348514 Acceleration of drainage in papermaking
09/07/1982US4348257 Organic pigments
09/07/1982CA1130956A1 Dispersible xanthan gum blends
09/01/1982EP0058818A1 Impregnation agent for cellulosic material
08/1982
08/31/1982US4347352 Reacting cyanuric chloride with a tertiary amine; for use as mordants, softeners, surfactants
08/31/1982US4347100 Strength of paper from mechanical or thermomechanical pulp
08/25/1982EP0058622A1 Reducing the deposition of pitch-like resins in the production of paper
08/25/1982EP0058621A1 Reducing the deposition of pitch-like resins in the production of paper
08/25/1982EP0058313A1 Cationic paper size and process for its manufacture
08/24/1982US4346204 Copolymers containing hydroxyl groups, method of production and their application in sizing of paper
08/24/1982US4346178 Opacifying pigment for paper
08/24/1982US4346027 Air-drying compositions for treating fibrous substrates