D21H 21 - Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties

Patents for D21H 21 - Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties (20,755)
12/1992
12/11/1992	CA2089074A1 Easily biodegradable antifoaming agent for aqueous systems
12/10/1992	WO1992022016A1 Copying paper in sheet form
12/10/1992	WO1992021613A1 Precipitated calcium carbonate particles from basic calcium carbonate
12/09/1992	EP0517360A1 Prevention of stickies in papermaking
12/09/1992	EP0516885A1 Styrene/acrylic-type polymers for use as surface sizing agents
12/08/1992	US5169886 Paper sizing agents containing cationic dispersants
12/08/1992	US5169722 Anti-copying composite film
12/08/1992	US5169715 High gloss base paper
12/08/1992	US5169497 Application of enzymes and flocculants for enhancing the freeness of paper making pulp
12/08/1992	US5168884 Smoking articles using novel paper wrapper
12/02/1992	EP0515750A2 Polyamide-epichlorohydrin resin
12/01/1992	US5167767 Prevention of deposition of polymerically flocculated particles
12/01/1992	US5167766 Charged organic polymer microbeads in paper making process
11/1992
11/25/1992	EP0514455A1 Sheet for protected documents having high printability and high handling resistance.
11/24/1992	US5165399 CO2 absorption means
11/19/1992	EP0513985A1 Cigarette and wrapper with controlled puff count
11/19/1992	EP0513984A1 Smoking articles using novel paper wrapper
11/19/1992	DE4115575A1 Bleach compsns. esp. for paper making - contg. sulphite and/or dithionite and borohydride, giving improved whiteness levels
11/18/1992	WO1992020862A1 Production of paper and paper products
11/18/1992	CA2102805A1 Production of paper and paper products
11/12/1992	WO1992019808A1 Lipase-catalyzed ester hydrolysis
11/12/1992	WO1992019807A1 Dyeing of cellulose
11/11/1992	EP0512975A1 Insulating wood fibre board
11/11/1992	EP0512423A2 Aqueous solutions of cationic polyamidoamine resins
11/11/1992	EP0512046A1 Process for sizing paper and similar products
11/11/1992	EP0512038A1 Reducing foaming in paper manufacture.
11/10/1992	US5161829 Security paper and method of manufacturing the same
11/04/1992	EP0511457A1 Cross-linking urethane urea resin dispersion and manufacturing process therefor
11/04/1992	CN1065893A Process for producing special closet paper
11/03/1992	US5160484 Acrylic acid-ethylene copolymer, sizing agent, softener
10/1992
10/29/1992	WO1992018694A1 Method for sizing paper
10/29/1992	WO1992018638A1 Lipase-catalyzed ester hydrolysis
10/29/1992	CA2104953A1 Method for sizing paper
10/28/1992	EP0511129A1 Process for making a planar substrate, one face of which having anti-slip properties, and the other having adhesive properties, and such obtained substrate
10/28/1992	EP0510987A1 Dehalogenation of organohalogen-containing compounds
10/28/1992	CN1065696A Method of making sheets for cassette tapes
10/27/1992	WO1992019663A1 Fluoroacrylate monomers and polymers, processes for preparing the same and their use
10/27/1992	CA2106662A1 Fluoroacrylate monomers and polymers, processes for preparing same and their use
10/27/1992	CA1309545C Inverted microlatex used as flottation and drainage additive, and for the absorption and retention of aqueous fluids
10/20/1992	US5157084 Opacifying plastic pigments for paper coatings
10/20/1992	US5156780 Polymerizing fluoroacrylate monomer in situ to form coating
10/20/1992	US5156717 Cobalt salt and phenolic co-reactant
10/14/1992	EP0508254A1 Process and apparatus for heat treatment of a web having a fluid or paste-like composition applied to it
10/14/1992	CN1065303A Kindling paper and its production
10/14/1992	CN1065276A Process for polymerization of itaconic acid
10/13/1992	US5155156 Mixed with oil; flocculants for papermaking, oil recovery, sewage treatment
10/13/1992	US5155138 Expandable thermoplastic microspheres and process for the production and use thereof
10/13/1992	US5154763 Stabilized aqueous alkyldiketene emulsions
10/07/1992	CN1065111A Antisticking paper and its production method
10/06/1992	US5152996 Moistened, flexible sheets of cellulose fibers
09/1992
09/30/1992	EP0506455A1 Creping aids
09/30/1992	EP0506246A1 Preparation of itaconic acid polymers
09/30/1992	CN1064875A Reinforced films made from water soluble polymers
09/30/1992	CN1064832A Security articles
09/29/1992	CA1307903C Tabular acicular gypsum and method of filling paper
09/28/1992	CA2063197A1 Process for polymerization of itaconic acid
09/24/1992	DE4208535A1 New sulpho-heterocyclyl benzene azo di:hydro-thiadiazine di:one dyestuff cpds. - used for dyeing textile, leather or paper or in ink
09/22/1992	US5149946 Method of authenticating an object by electron paramagnetic resonance, apparatus for implementing the method, and an object useable with the method
09/22/1992	US5149400 Polymeric basic aluminum silicate-sulphate
09/22/1992	US5149138 Method of applying a fluorescent marking composition
09/17/1992	DE4108170A1 Prepn. of water-resistant coils and coatings - from grafted proteins, useful for outer side of diapers
09/16/1992	EP0503919A1 Method of producing a simulated watermark
09/13/1992	CA2038116A1 Process for the production of high molecular weight copolymers of diallyldimethyl ammonium chloride and acrylamide in solution
09/13/1992	CA2038115A1 Process for the production of high molecular weight copolymers of diallyldimethyl ammonium chloride and acrylamide in an aqueous dispersed phase
09/10/1992	DE4106936A1 Paper sizing prepn. - contains conventional sizing agent and special aluminium citrate as size improver
09/09/1992	EP0502089A1 Silica sols, a process for the production of silica sols and use of the sols.
09/09/1992	EP0501980A1 Production of stable polymer dispersions using amphoteric polymers as stabilizers
09/09/1992	CN1064326A Method for control of pitch
09/08/1992	US5145991 Distyrylbiphenyl compounds
09/08/1992	US5145522 Ketene dimer sizing agent for paper making
09/08/1992	US5144967 Flavor release material
09/08/1992	CA1307203C Microbicidal/microbistatic composition for industrial use
09/08/1992	CA1307202C Microbicidal/microbistatic composition
09/02/1992	EP0500770A1 A process for the production of paper.
09/02/1992	EP0500726A1 Watermarked plastic support.
09/02/1992	CN1064121A Skin-protecting cosmetic paper towel
09/01/1992	US5143583 Preparation and synthesis of magnetic fibers
09/01/1992	US5143519 2-(4-azophenyl)-6-methyl-7-benzothiazolesulfonic acid derivatives; paper
09/01/1992	CA1306856C Flexible absorbent board
08/1992
08/28/1992	CA2045207A1 Paper surface treating agent
08/26/1992	EP0499857A1 Binder and vehicle for inks and other color formulations
08/26/1992	CN1063914A Fabric treatment
08/20/1992	WO1992013714A1 Reinforced films made from water soluble polymers
08/20/1992	CA2079207A1 Reinforced films made from water soluble polymers
08/19/1992	EP0499578A1 Paper coatings
08/19/1992	EP0499448A1 Production of paper
08/18/1992	US5139812 Identifying a target nucleic acid e.g. hybridization
08/18/1992	US5139616 Inhibiting pressure sensitive or hot melt adhesives from contaminating aqueous plup slurry by the addition of a surfactant and a solvent
08/18/1992	CA1306570C Pitch control aid in paper making
08/16/1992	CA2061316A1 Production of paper
08/14/1992	CA2059867A1 Binder and vehicle for inks and other color formulations
08/13/1992	DE4103169A1 Improved paper sizing compsn. - contains sizing agent and specified type of aluminium phosphate requiring no process modification
08/12/1992	EP0497812A1 A process of combatting microorganisms.
08/11/1992	US5138002 Temporary wet strength resins with nitrogen heterocyclic nonnucleophilic functionalities and paper products containing same
08/06/1992	WO1992013130A1 Method for avoiding pitch troubles by use of thermostable lipase
08/05/1992	EP0497594A1 A filtering material and method of producing same
08/05/1992	EP0497071A1 New pigments based on aluminium silicates, their preparation process and their use as fillers especially for paper
08/05/1992	EP0484462A4 Process for treating a porous substrate to achieve improved water and oil repellency
08/04/1992	US5135613 Polycyanguanidine(urea)ammonium chloride
08/04/1992	CA1305961C Polysaccharide derivatives containing aldehyde groups, their preparation from the corresponding acetals and use in paper

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