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Condensation polymers of aldehydes or ketones
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CPC
D21H13/22
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21H
PULP COMPOSITIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D IMPREGNATING OR COATING OF PAPER TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G PAPER NOT OTHERWISE PROVIDED FOR
D21H13/00
Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
Current Industry
D21H13/22
Condensation polymers of aldehydes or ketones
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Patents Grants
last 30 patents
Information
Patent Grant
Gas diffusion layer for proton exchange membrane fuel cell and prep...
Patent number
11,876,232
Issue date
Jan 16, 2024
Donghua University
Biao Wang
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Electrode substrate for electrochemical cell from carbon and cross-...
Patent number
8,298,725
Issue date
Oct 30, 2012
UTC Power Corporation
Richard D. Breault
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Nonwoven mat, method for production thereof and fibre composite
Patent number
7,816,290
Issue date
Oct 19, 2010
Frenzelit-Werke GmbH & Co., K.G.
Wilfried Erb
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Base webs for printed circuit board production using the foam proce...
Patent number
6,368,698
Issue date
Apr 9, 2002
Ahlstrom Glassfibre Oy
Kay Rokman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Base webs for printed circuit board production using the foam proce...
Patent number
6,258,203
Issue date
Jul 10, 2001
Ahlstrom Glassfibre Oy
Kay Rokman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Friction paper containing activated carbon
Patent number
5,989,390
Issue date
Nov 23, 1999
Knowlton Specialty Papers, Inc.
James M. Lee
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Electrical insulating paper
Patent number
5,478,640
Issue date
Dec 26, 1995
BASF Aktiengesellschaft
Heinz Berbner
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of making a laminated sheet product
Patent number
4,472,229
Issue date
Sep 18, 1984
Imperial Chemical Industries Limited
Graham E. Martin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Heat resistant and flame resistant papers
Patent number
4,067,769
Issue date
Jan 10, 1978
Kanebo, Ltd.
Koichiro Ohtomo
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Radiation shielding phenolic fibers and method of producing same
Patent number
3,961,123
Issue date
Jun 1, 1976
Kanebo, Ltd.
Koichiro Ohtomo
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
3821074
Patent number
3,821,074
Issue date
Jun 28, 1974
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Patents Applications
last 30 patents
Information
Patent Application
GAS DIFFUSION LAYER FOR PROTON EXCHANGE MEMBRANE FUEL CELL AND PREP...
Publication number
20230395815
Publication date
Dec 7, 2023
DONGHUA UNIVERSITY
Biao WANG
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Paper Sheet and Method of Making It
Publication number
20220022529
Publication date
Jan 27, 2022
Jiayi Pan
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
FLUSHABLE MOIST WIPE OR HYGIENE TISSUE AND A METHOD FOR MAKING IT
Publication number
20140189970
Publication date
Jul 10, 2014
SCA Hygiene Products AB
Lars Fingal
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Electrode substrate for electrochemical cell from carbon and cross-...
Publication number
20100035126
Publication date
Feb 11, 2010
Richard D. Breault
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
Nonwoven mat, method for production thereof and fibre composite
Publication number
20070123132
Publication date
May 31, 2007
FRENZELIT-WERKE GMBH&CO., K.G.
Wilfried Erb
B32 - LAYERED PRODUCTS
Information
Patent Application
Composite papyraceous material
Publication number
20070084575
Publication date
Apr 19, 2007
Mikio Furukawa
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Base webs for printed circuit board production using the foam proce...
Publication number
20010050130
Publication date
Dec 13, 2001
Ahlstrom Glassfibre Oy.
Kay Rokman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE