Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21H - Pulp compositions; Preparation thereof not covered by subclasses ,; Impregnating or coating of paper; Treatment of finished paper not covered by class or subclass; Paper not otherwise provided for › D21H 23 - Processes or apparatus for adding material to the pulp or to the paper
Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452)
10/1988
10/05/1988EP0285134A2 Hydridoaminosilane treatment for rendering surfaces water-repellent
10/04/1988US4775586 Multilayer-flocculation, mixing polymers and silicate
09/1988
09/22/1988WO1988007009A1 Wrapping material, method of manufacture and method of use
09/22/1988DE3707480A1 Paper towel and method of producing it
09/21/1988EP0282571A1 Processes for the production of antistatic or static dissipative paper, and the paper products thus produced, and apparatus utilized.
09/20/1988US4772493 Process for impregnating
09/20/1988CA1242166A1 Process and apparatus for forming a polymerized coating on a substrate
09/14/1988EP0282415A1 Process for producing paper
09/07/1988WO1988006659A1 A process for the production of paper
09/07/1988EP0281273A1 Cellulosic pulp
08/1988
08/30/1988US4766841 Flexographic press applied paper color coating
08/25/1988WO1988006104A1 Transfer coating for decorative laminates
08/23/1988US4766015 Phospholipid lubricant for coating moving webs
08/23/1988US4765858 Process of applying a reacting transfer coating for decorating laminates
08/18/1988DE3703834A1 Rollschaberauftragwerk zum auftragen von beschichtungen auf materialbahnen Roll-ductor applicator deposition of coatings on material webs
08/17/1988EP0278602A1 Aqueous suspensions of calcium-containing fillers
08/16/1988US4764418 Tissue paper with carboxylic acid; softness, multilayer
08/11/1988WO1988005909A1 Method and apparatus for detecting a material with a fluorescent light-emitting substance to be detected
08/11/1988WO1988005698A1 Applicator with rolling scraper for applying coatings on webs of material
08/09/1988CA1240217A1 Paper coating apparatus and method
08/04/1988DE3701670A1 Applicator mechanism for coating and moistening travelling material webs
08/02/1988US4761309 Applying a coating onto the surface of a moving web
07/1988
07/27/1988EP0276200A1 Paper production
07/20/1988EP0274977A1 Method of operating a coater
07/14/1988WO1988004961A1 Pattern forming saturator and impregnating method
07/14/1988WO1988004959A1 Coating apparatus and method
07/06/1988CN87107986A Coating apparatus
07/05/1988US4755259 Process for papermaking
06/1988
06/30/1988WO1988004704A1 Hydrophilic cellulose product and method of its manufacture
06/29/1988EP0272996A1 A coating apparatus
06/29/1988EP0272798A1 Barrier products
06/28/1988US4753710 Using cationic polymer flocculant or retention aid
06/21/1988US4752356 Measuring total organic carbon content of scurry filtrate; adding electrokinetic charge neutralizer to slurry
06/14/1988US4750974 Coacervative binder consisting of cationic potato starch, high molecular weight anionic polymer, and dispersed silica
06/08/1988EP0270103A1 A method and apparatus for manufacturing filler-containing paper
06/07/1988US4749444 Draining stock; mixing bentonite, cationic polyelectrolyte, acrylamide or methacrylamide polymer
06/02/1988WO1988003972A1 Barrier products
06/01/1988EP0268998A2 A process for impregnating
05/1988
05/05/1988DE3735889A1 Spread-coating device
04/1988
04/26/1988US4740391 Pattern forming saturator and method
04/12/1988US4737242 Apparatus for applying a liquid composition to a fibrous web
04/12/1988US4736703 Device for applying adhesive material to sheets of wrapping material
04/07/1988WO1988002416A1 Method of making soft paper
03/1988
03/30/1988EP0262040A1 Process for treating a paper pulp with an enzymatic solution
03/24/1988WO1988002047A1 Method and products for sizing paper and similar materials
03/24/1988WO1988001910A1 Processes for the production of antistatic or static dissipative paper, and the paper products thus produced, and apparatus utilized
03/08/1988CA1233710A1 Coating of cellulosic base stocks and the products thereof
03/02/1988EP0257772A1 A process for making paper using a substituted succinic anhydride as a sizing agent
03/01/1988US4728539 Trailing and flexible blades
03/01/1988US4728396 High speed paper coating
02/1988
02/16/1988CA1232711A1 Stable substituted succinic anhydride/ether-ester emulsifier composition and methods for its use
01/1988
01/20/1988EP0253565A1 Pattern forming saturator and method
01/07/1988EP0251132A1 A method for producing paper
12/1987
12/03/1987DE3717144A1 Method and device for controlling paper constituents in papermaking
12/02/1987EP0247784A2 Process for forming a sheet of material
11/1987
11/05/1987DE3714498A1 Beschichtetes papier sowie verfahren und einrichtung zu seiner herstellung Coated paper as well as process and device for its manufacture
11/04/1987EP0243460A1 Papermaking process
11/03/1987CA1228703A1 Use of serpentinite as an additive
10/1987
10/27/1987US4702943 Pattern forming saturator and method
09/1987
09/30/1987CN86101888A Process for treating wet paper with foam
09/15/1987US4693928 Porous, fibrous structures with thermoplastic fluorocarbon coating and method of making
09/09/1987EP0235893A1 Production of paper and paperboard
09/09/1987EP0235166A1 Device for applying a liquid to a material web.
09/02/1987EP0234513A1 Binder for use in a paper-making process
07/1987
07/22/1987EP0229196A1 Method and device for making a multilayered fibrous material, especially cardboard
07/08/1987EP0227853A1 Non-woven composite material and process of preparing
07/01/1987EP0227465A1 Loaded paper
05/1987
05/27/1987EP0223223A1 Process for the production of paper and cardboard
05/26/1987US4668536 Method and apparatus for coating corrugated board
05/13/1987EP0221073A1 Sizing of paper and like materials
04/1987
04/23/1987WO1987002396A1 Papermaking process
04/21/1987US4659616 Cotton linters, carbon fibers; scorch resistant
03/1987
03/12/1987WO1987001401A1 Device for applying a liquid to a material web
03/11/1987EP0213596A1 Flexible, durable, stretchable paper web, method of forming it and use of same
03/11/1987EP0213231A1 Waterproof paper support for photographic layers
02/1987
02/24/1987US4645565 Material in sheet form, convertible into a finished product by moulding-stamping or heat-shaping, comprising reinforcing fibers and a thermoplastics resin in power form, and process for preparing said material
02/17/1987US4643801 Papermaking aid
02/10/1987CA1217608A Manufacture of papers with a latex constituant, and sheets thus made
01/1987
01/15/1987DE3525138A1 Process and equipment for producing plastic board
10/1986
10/22/1986EP0198622A1 Paper coating apparatus and method
10/07/1986US4615689 Method for preparing paperlike products from fibers threaded with polymer
09/1986
09/25/1986WO1986005530A1 Method for preparing a fibrous sheet by using paper manufacturing techniques
09/24/1986EP0195458A1 Process for treating wet paper with foam
09/02/1986US4609431 Non-woven fibrous composite materials and method for the preparation thereof
07/1986
07/31/1986WO1986004370A1 Process for manufacture of paper holding clay or other fillers
07/09/1986EP0187031A1 Method for preparing paperlike products from fibers treated with polymer
07/09/1986EP0186956A2 Paper machine polymer systems and methods for their use
06/1986
06/18/1986EP0184603A1 Process for preparing a fluff pulp
05/1986
05/27/1986US4591412 Means and method for neutral sizing
05/07/1986EP0180473A1 Method of and apparatus for applying a liquid composition to a fibrous web
04/1986
04/16/1986EP0178033A2 Neutral paper and process for its manufacture
04/02/1986EP0164398A4 Improvements in the coating of cellulosic base stocks and the products thereof.
03/1986
03/25/1986US4577585 Method and apparatus for making a color blended wall covering
03/11/1986CA1201846A1 Continuously produced melt reacted melamine- formaldehyde resins
02/1986
02/27/1986WO1986001239A1 Sizing of paper and like materials
01/1986
01/03/1986WO1986000100A1 Papermaking process
12/1985
12/18/1985EP0164398A1 Improvements in the coating of cellulosic base stocks and the products thereof
11/1985
11/19/1985US4554215 Coating of cellulosic base stocks and the product thereof
11/05/1985CA1196181A1 Film applicator system
10/1985
10/15/1985CA1195162A1 Waxer for coated embossed containers
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