Pure paper

Industry

CPC
D21H27/16

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Parent Industries

DTEXTILES PAPER D21Papermaking D21HPULP 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 D21H27/00Special paper not otherwise provided for

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D21H27/16Pure paper

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Gas barrier film for packaging material
- Patent number 11,851,819
- Issue date Dec 26, 2023
- Stora Enso Oyj
- Isabel Knöös
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for the production of heat-sealing barrier paper
- Patent number 10,494,768
- Issue date Dec 3, 2019
- Munksjö Oyj
- Laurent Schildknecht
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Additive for paper making
- Patent number 7,094,319
- Issue date Aug 22, 2006
- Ciba Specialty Chemicals Corporation
- Tapio Vihervaara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Package structure of planographic printing plates and interleaf pap...
- Patent number 7,087,360
- Issue date Aug 8, 2006
- Fuji Photo Film Co., Ltd.
- Yoshitaka Kawamura
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Additive composition for paper making
- Patent number 7,045,563
- Issue date May 16, 2006
- Ciba Specialty Chemicals Corporation
- Kari Luukkonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Additive for paper making
- Patent number 6,716,313
- Issue date Apr 6, 2004
- Raisio Chemicals, Ltd.
- Tapio Vihervaara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Additive for paper making
- Patent number 6,398,912
- Issue date Jun 4, 2002
- Raisio Chemicals Ltd.
- Tapio Vihervaara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for modifying pulp from recycled newspapers
- Patent number 6,296,736
- Issue date Oct 2, 2001
- Kimberly-Clark Worldwide, Inc.
- Jay Chiehlung Hsu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Latex-saturated paper
- Patent number 5,895,557
- Issue date Apr 20, 1999
- Kimberly-Clark Worldwide, Inc.
- Francis Joseph Kronzer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Blade-coated paper having a paper lamina produced from a furnish co...
- Patent number 5,597,447
- Issue date Jan 28, 1997
- Westvaco Corporation
- Mark A. Hank
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pulp and paper products produced from recycled, high lignin content...
- Patent number 5,587,048
- Issue date Dec 24, 1996
- Westvaco Corporation
- Robert C. Streisel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing a blade coated paper from recycled, high ligni...
- Patent number 5,538,594
- Issue date Jul 23, 1996
- Westvaco Corporation
- Mark A. Hank
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Brown cigarette wrappers
- Patent number 4,146,041
- Issue date Mar 27, 1979
- Philip Morris Incorporated
- Tibor S. Laszlo
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents

Information Patent Application
GAS BARRIER FILM FOR PACKAGING MATERIAL
- Publication number 20220002946
- Publication date Jan 6, 2022
- STORA ENSO OYJ
- Isabel Knöös
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR THE PRODUCTION OF HEAT-SEALING BARRIER PAPER
- Publication number 20170211236
- Publication date Jul 27, 2017
- MUNKSJÖ OYJ
- Laurent SCHILDKNECHT
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
CIGARETTE FILTER AND FILTER-TIPPED CIGARETTE
- Publication number 20100242977
- Publication date Sep 30, 2010
- Masafumi TARORA
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
Binder selection for coated photographic base stock
- Publication number 20050032644
- Publication date Feb 10, 2005
- Gregg L. Brelsford
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Smooth base stock composed of nonstandard fibers
- Publication number 20050028951
- Publication date Feb 10, 2005
- Gregg L. Brelsford
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Additive for paper making
- Publication number 20040188048
- Publication date Sep 30, 2004
- Tapio Vihervaara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Inserting paper for glass-like sheet materials
- Publication number 20040182531
- Publication date Sep 23, 2004
- Hiroshi Nomura
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Additive composition for paper making
- Publication number 20040144512
- Publication date Jul 29, 2004
- Raisio Chemicals LTD
- Kari Luukkonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Package structure of planographic printing plates and interleaf pap...
- Publication number 20030215741
- Publication date Nov 20, 2003
- Fuji Photo Film Co., Ltd.
- Yoshitaka Kawamura
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Electroconductive paper and carrier for electronic member using sai...
- Publication number 20030159787
- Publication date Aug 28, 2003
- LINTEC CORPORATION
- Mitsuaki Yagura
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Additive for paper making
- Publication number 20030041988
- Publication date Mar 6, 2003
- Tapio Vihervaara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Additive composition for paper making
- Publication number 20010003760
- Publication date Jun 14, 2001
- RAISIO CHEMICALS LTD.
- Kari Luukkonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Gas barrier film for packaging material

Method for the production of heat-sealing barrier paper

Additive for paper making

Package structure of planographic printing plates and interleaf pap...

Additive composition for paper making

Additive for paper making

Additive for paper making

Process for modifying pulp from recycled newspapers

Latex-saturated paper

Blade-coated paper having a paper lamina produced from a furnish co...

Pulp and paper products produced from recycled, high lignin content...

Method for producing a blade coated paper from recycled, high ligni...

Brown cigarette wrappers

Patents Applicationslast 30 patents

GAS BARRIER FILM FOR PACKAGING MATERIAL

METHOD FOR THE PRODUCTION OF HEAT-SEALING BARRIER PAPER

CIGARETTE FILTER AND FILTER-TIPPED CIGARETTE

Binder selection for coated photographic base stock

Smooth base stock composed of nonstandard fibers

Additive for paper making

Inserting paper for glass-like sheet materials

Additive composition for paper making

Package structure of planographic printing plates and interleaf pap...

Electroconductive paper and carrier for electronic member using sai...

Additive for paper making

Additive composition for paper making