E A Retulainen

D.Sc. (Tech), Principal Scientist

1985 …2019
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Research Output 1985 2019

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Patent
2013

Method for improving papermaking or board making process, use of a polysaccharide and paper

Hietaniemi, M., Salminen, K., Kataja-Aho, J. & Retulainen, E., 14 Nov 2013, IPC No. D21H 17/ 24 A I, Patent No. US2013299109, Priority date 30 Sep 2011, Priority No. US201113876325

Research output: PatentResearch

papermaking
polysaccharides
chest
wire
methodology
2012

Menetelmä märän paperiradan ajettavuuden parantamiseksi, liuoksen käyttö ja paperi

Salminen, K., Retulainen, E. & Kataja-Aho, J., 2 Apr 2012, IPC No. D21H 17/ 44 A N, Patent No. FI20106021, Priority date 1 Oct 2010, Priority No. FI20100006021

Research output: PatentPatent application

Method for improving runnability of a wet paper web, use of a solution and paper

Salminen, K., Retulainen, E. & Kataja-aho, J., 5 Apr 2012, IPC No. D21H 17/42, Patent No. WO2012042115 A1, Priority date 1 Oct 2010, Priority No. US20100388658P

Research output: PatentPatent application

Patents and inventions
Fibers
Polymers
Polymer solutions
2011

Modified fibrous product and method of producing the same

Mikkonen, H., Malm, T., Kunnari, V. & Retulainen, E., 23 Nov 2011, IPC No. D21H 27/00, Patent No. CN102257219, 20 Oct 2009, Priority date 20 Oct 2009, Priority No. WO2009FI50843

Research output: PatentPatent

cardboard
plasticizers
chemical derivatives
carbohydrates
papermaking
2008

Method and arrangement for manufacturing coated and glazed paper or board

Elias, R., Vilho, N. & Johan, G., 23 Oct 2008, IPC No. F26B 13/ 10 A I, Patent No. AU2001248403, Priority date 28 Mar 2001, Priority No. WO2001FI00301

Research output: PatentResearch

2005

Sizing method for board

Heikkinen, A., Tani, M., Huovila, V. & Retulainen, E., 7 Apr 2005, IPC No. D21H 27/ 10 A N, Patent No. US2005072541, Priority date 13 Dec 2002, Priority No. WO2002FI01021

Research output: PatentResearch

sorption
wetting
method
sizing
water
2000

Method of and apparatus for manufacturing paper

Retulainen, E., 20 Jan 2000, IPC No. D21F 5/ 00 A I, Patent No. WO0003084, 12 Jul 1999, Priority date 13 Jul 1998, Priority No. FI19980001600

Research output: PatentPatent application

Fibers
Patents and inventions
Processing
Drying
Wire
1999

Apparatus for drying a fiber web

Retulainen, E., 9 Feb 1999, IPC No. D21F 5/00, Patent No. US5867919, 17 Oct 1997, Priority date 30 Oct 1996, Priority No. FI19960004377

Research output: PatentPatent

Open Access
drying
fibers
wire
inventions
pressure chambers

Method of and apparatus for drying a fiber web

Lehtinen, J. & Retulainen, E., 14 Sep 1999, IPC No. D21G 1/00, Patent No. US5950329, 1 Dec 1997, Priority date 10 Dec 1996, Priority No. FI19960004938

Research output: PatentPatent

Open Access
drying
methodology
1998

Method and apparatus for drying a fiber web

Retulainen, E., 1 Oct 1998, IPC No. F26B 13/10, Patent No. WO9842913, 19 Mar 1998, Priority date 21 Mar 1997, Priority No. FI19970001210

Research output: PatentPatent application

drying
fibers
drying apparatus
wire
inventions

Method of and apparatus for drying a fiber web

Lehtinen, J. & Retulainen, E., 18 Jun 1998, IPC No. D21F 5/04, Patent No. WO9826130, 9 Dec 1997, Priority date 10 Dec 1996, Priority No. FI19960004939

Research output: PatentPatent application

drying
fibers
inventions

Method of and apparatus for drying a fiber web

Retulainen, E., 25 Jun 1998, IPC No. D21G 1/00, Patent No. WO9827272, 10 Dec 1997, Priority date 10 Dec 1996, Priority No. FI19960004938

Research output: PatentPatent application

dietary fiber
drying
methodology
heat
air