Patents for D21H 17 - Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution (19,322)
03/1989
03/07/1989US4810580 Silicates, nitriding, ammonia, fillers, elastomers
03/07/1989US4810329 Composite flooring felt for vinyl flooring containing latexes and an activator
03/07/1989US4810301 Composition for sizing agent and process for using the same composition
03/07/1989CA1250703A1 Papermaking process
03/01/1989EP0305249A1 Composition for glueing separate mineral fibres for preparing thermally insolating materials
03/01/1989EP0304693A1 Flame retardant electrical laminate
03/01/1989EP0304463A1 A process for the production of paper.
02/1989
02/28/1989US4808633 Vesiculated polymer granules
02/28/1989US4808267 Waterproof photographic paper support
02/23/1989WO1989001500A1 Thermosetting size press composition
02/22/1989EP0304368A1 Wet laid thermoplastic web compositions
02/21/1989US4806591 Cationic sizing agents for paper
02/21/1989US4806410 Processes for the production of antistatic or static dissipative paper, and the paper products thus produced, and apparatus utilized
02/21/1989US4806207 Structured latex particles having reinforcing and opacity characteristics
02/21/1989US4806205 Calcium alkali phosphate mixed with cationic resin, auxiliary fibers; slurrying, draining, drying
02/21/1989US4806167 Kaolin aggregation using combination of organic and inorganic bases
02/15/1989EP0303040A2 Process for the dry cationization of galactomannans
02/15/1989EP0303039A2 Process for the dry cationization of starch
02/15/1989EP0218674B1 Papermaking process
02/14/1989US4804769 Paper additives
02/09/1989WO1989001075A1 Compositions for thermoplastic sheet manufactured by a wet process
02/09/1989WO1989001074A1 Nonwoven fabric-like product using a bacterial cellulose binder and method for its preparation
02/09/1989WO1989001072A1 Method for manufacture of paper products
02/01/1989EP0301372A1 Process for producing paper and board having a great dry strength
02/01/1989EP0301079A1 Transfer coating for decorative laminates
02/01/1989CN1030777A Surface sizing compositions
01/1989
01/31/1989US4801699 Polysaccharide esters containing acetal and aldehyde groups
01/31/1989US4801355 Tabular acicular gypsum and method of filling paper
01/31/1989US4801354 Aqueous pigment suspensions based on alkyl (meth) acrylates as dispersants for pigments
01/25/1989EP0300909A1 Reinforced thermoplastics sheet and its manufacturing process
01/25/1989EP0300787A1 Decorative laminated sheet and decorative overlaid substrate faced with thermosetting resin
01/25/1989CN1030531A Process for producing water resistant construction material of polymer and silicate
01/24/1989US4799964 Preparation of filler compositions for paper
01/24/1989CA1249388A1 Paper sizing method
01/24/1989CA1249272A1 Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids
01/18/1989EP0299817A1 Inverse microlatex useful as a floatation and drainage adjuvant, and for the absorption and retention of aqueous fluids
01/17/1989US4798871 Compositions containing high molecular weight poly(vinylamines) for enhanced oil recovery
01/17/1989US4798744 Impergnatin of hydrophilic polymer reverse emulsion
01/17/1989US4798653 Anionic acrylamide polymer, cationic silica sol
01/17/1989CA1248712A1 Paper sheet, process for preparing same and applications thereof particularly as product for substituting impregnated webs
01/17/1989CA1248711A1 Manufacture of dry or wet crepe paper
01/10/1989US4797176 Amino plast crosslinking agent for hydroxy monomer
01/05/1989DE3721057A1 Retention agent
01/04/1989EP0297500A1 Thermoformable fibrous mat and process for making the same
01/04/1989EP0297180A1 Apparatus for and methods of providing a multiplicity of streams of air-entrained fibers
01/04/1989EP0297132A1 Method for manufacture of lightweight frothed mineral wool panel
01/03/1989US4795531 Method for dewatering paper
01/03/1989CA1247810A1 Emulsification of alkenyl succinic anhydride sizing agents
12/1988
12/29/1988WO1988010338A1 Formed calcium silicate plate and process for its production
12/29/1988WO1988010277A1 Process for preparing cationic, water-soluble resin and water-treating agent containing said resin
12/29/1988WO1988010274A1 Invert microlatices useful as flotation and drainage additives and for absorption and retention of aqueous fluids
12/29/1988DE3741368A1 Process for the preparation of decorative coating materials based on unsaturated polyester resins
12/28/1988EP0296971A1 Continuous process for producing a printing/writing paper and perfumed product obtained
12/28/1988EP0296866A2 Kaolinite aggregation using organo-silicon compounds
12/28/1988EP0296729A1 Surface sizing compositions
12/28/1988EP0296242A1 Low density mineral wool panel and method
12/28/1988EP0296233A1 Low density frothed mineral wool panel and method.
12/28/1988CA1247307A Paper that contains chemically substituted cellulose
12/21/1988EP0295615A1 Compositions containing high molecular weight poly (vinylamines) for enhanced oil recovery
12/21/1988EP0295614A1 Acidized fracturing fluids containing high molecular weight poly(vinylamines) for enhanced oil recovery
12/14/1988EP0198832B1 Method of making paper with high filler content
12/14/1988CN87104680A 施胶剂 Sizing
12/13/1988US4791029 Aqueous emulsions of organopolysiloxane compositions adapted for coating flexible substrates
12/13/1988US4790907 Synthetic fiber
12/13/1988US4790486 Neutralizing sodium silicate with sulfuric acid; wet pulverizing yields slurry with controlled particle sizes
12/13/1988CA1246607A1 2,2-bis(2-perfluoroalkyl ethylthio)acetaldehydes and process for preparing the same
12/07/1988CN88102312A Use of high molecular weight sulfonate as auxiliary dispersants for structured kaolins
12/07/1988CN88101836A Flocced 2:1 layered silicates and water-resistant articles made therefrom
12/06/1988US4789595 Process for surface treating layered lattice silicates and resultant products
12/06/1988US4789564 Hydridoaminosilane treatment for rendering surfaces water-repellent
12/06/1988US4789523 Cationic and anionic lignin amines corrosion inhibitors
12/06/1988US4789430 Dimensional stability; resistance to delamination
12/06/1988CA1245943A1 Oxidation resistant tissue for dry laundry actives and bleach compatible products
12/06/1988CA1245808A1 Paper-making method and a combination of ingredients to be used in it
11/1988
11/30/1988EP0293119A1 Paper sizing compositions
11/30/1988EP0292975A1 Sizing pulp
11/29/1988US4788280 Polysaccharide derivatives containing aldehyde groups on an aromatic ring, their preparation from the corresponding acetals and use in paper
11/29/1988US4788243 Creping adhesives containing polyvinyl alcohol and thermoplastic polyamide resins derived from poly(oxyethylene) diamine
11/29/1988US4787960 For wood pulp
11/29/1988US4787949 Method of manufacturing highly water absorbent pleated filter laminate
11/23/1988EP0292124A1 Rosin emulsions
11/23/1988EP0291588A1 Sizing agent
11/22/1988US4786367 Chemically treated paper products--towel and tissue
11/22/1988US4786330 Diurethane latex and processes
11/17/1988WO1988008757A1 Method for treating and/or coating nonwoven cellulosic substrates
11/15/1988US4785087 Process for dry cationization of starch
11/15/1988US4785055 Process for the preparation of N-haloamide polymers
11/15/1988US4784727 Sizing agent and use thereof
11/15/1988US4784724 Salts or quaternary 1-vinyl-2-imidazoline polymers
11/15/1988CA1244617A1 Method for preparing paperlike products from fibers treated with polymer
11/09/1988EP0289823A2 High strength wet webs for the production of paper and process for producing paper making fiber webs having wet web strength
11/09/1988EP0270650A4 Synthetic alkali metal alumino-silicates, methods and uses, compositions and their methods of preparation.
11/08/1988US4783365 Mica product
11/08/1988US4783240 Pulp slurry, alumina polymer, and agglomerated particles of urea-formaldehyde resin and silicic acid
11/02/1988EP0289341A2 Pitch control aid
11/01/1988US4781840 Cationic and anionic lignin amines as flocculants
11/01/1988CA1244005A1 Modified colophony rosins, a process for their preparation, their use and paper-sizing agents containing such modified colophony rosins
10/1988
10/26/1988EP0288291A2 Clay pigment slurry and its preparation
10/25/1988US4780297 Low brightness magnesium silicate filler and methods
10/25/1988US4780180 Calcium silicate, aluminum hydroxide and cellulose fibers