SCA Development Aktiebolag

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Sundsvall, SE

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Patents Grantslast 30 patents

Information Patent Grant
Refiner disc segment
- Patent number 4,635,864
- Issue date Jan 13, 1987
- SCA Development Aktiebolag
- Per V. Peterson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for delignification of ligno-cellulose containing fiber mate...
- Patent number 4,451,332
- Issue date May 29, 1984
- SCA Development Aktiebolag
- Goran E. Annergren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of making pulp
- Patent number 4,357,208
- Issue date Nov 2, 1982
- SCA Development Aktiebolag
- Per V. Peterson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Chip treatment
- Patent number 4,356,213
- Issue date Oct 26, 1982
- SCA Development Aktiebolag
- Hans E. Hoglund
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for digesting and bleaching cellulosic material with reduce...
- Patent number 4,329,199
- Issue date May 11, 1982
- SCA Development Aktiebolag
- Per-Erik Andersson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for controlling wood pulp grinding machines
- Patent number 4,294,412
- Issue date Oct 13, 1981
- SCA Development Aktiebolag
- Karl G. Bohlin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of manufacturing cellulose derivative
- Patent number 4,256,877
- Issue date Mar 17, 1981
- SCA Development Aktiebolag
- Alf H. Karlsson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Steam treating method and system
- Patent number 4,240,260
- Issue date Dec 23, 1980
- SCA Development Aktiebolag
- Karl A. Gustafson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method and apparatus for refining fiberous material
- Patent number 4,221,631
- Issue date Sep 9, 1980
- SCA Development Aktiebolag
- Gustaf R. Hellerqvist
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Condensate discharging device
- Patent number 4,194,299
- Issue date Mar 25, 1980
- SCA Development Aktiebolag
- Karl V. Wiberg
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of improving the homogeneity of lignocellulose containing ma...
- Patent number 4,188,261
- Issue date Feb 12, 1980
- SCA Development Aktiebolag
- Sture O. E. Backlund
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper surface treating device
- Patent number 4,176,619
- Issue date Dec 4, 1979
- SCA Development Aktiebolag
- Rune A. Wappling
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of surface treating paper webs
- Patent number 4,128,669
- Issue date Dec 5, 1978
- SCA Development Aktiebolag
- Bengt A. Wennerblom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refining element
- Patent number 4,039,154
- Issue date Aug 2, 1977
- SCA Development Aktiebolag
- Per Viking Peterson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Continuously refining raw fibrous material to produce mechanical re...
- Patent number 4,037,792
- Issue date Jul 26, 1977
- SCA Development Aktiebolag
- Viking Per Peterson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Load-weighing device
- Patent number 4,027,736
- Issue date Jun 7, 1977
- SCA Development Aktiebolag
- Karl Gunnar Bohlin
- G01 - MEASURING TESTING
Information Patent Grant
Method of treating refining segments
- Patent number 4,011,150
- Issue date Mar 8, 1977
- SCA Development Aktiebolag
- Per Viking Peterson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for refining fiber material
- Patent number 3,977,611
- Issue date Aug 31, 1976
- SCA Development Aktiebolag
- Axel Henning Sjobom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of preparing size
- Patent number 3,961,976
- Issue date Jun 8, 1976
- SCA Development Aktiebolag
- Alf Hugo Karlsson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

SCA Development Aktiebolag

Organization

Patents Grantslast 30 patents

Refiner disc segment

Method for delignification of ligno-cellulose containing fiber mate...

Method of making pulp

Chip treatment

Process for digesting and bleaching cellulosic material with reduce...

Method and apparatus for controlling wood pulp grinding machines

Method of manufacturing cellulose derivative

Steam treating method and system

Method and apparatus for refining fiberous material

Condensate discharging device

Method of improving the homogeneity of lignocellulose containing ma...

Paper surface treating device

Method of surface treating paper webs

Refining element

Continuously refining raw fibrous material to produce mechanical re...

Load-weighing device

Method of treating refining segments

Apparatus for refining fiber material

Method of preparing size