EP0621740A3 - Verfahren zum gleichmässigen Erwärmen, Pasteurisieren und Sterilisieren von Produkten mittels Mikrowellen. - Google Patents

Verfahren zum gleichmässigen Erwärmen, Pasteurisieren und Sterilisieren von Produkten mittels Mikrowellen. Download PDF

Info

Publication number: EP0621740A3
Authority: EP; European Patent Office
Prior art keywords: pasteurizing; sterilizing; waves; micro; product
Prior art date: 1993-04-23
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP94106167A

Other languages

English (en)

French (fr)

Other versions

EP0621740A2 (de

EP0621740B1 (de

Inventor

Klaus Dipl-Phys Koch

Rolf Dipl-Ing Skubich

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

KraussMaffei Extrusion GmbH

Original Assignee

Hermann Berstorff Maschinenbau GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1993-04-23

Filing date

1994-04-21

Publication date

1994-12-21

1994-04-21 Application filed by Hermann Berstorff Maschinenbau GmbH filed Critical Hermann Berstorff Maschinenbau GmbH

1994-10-26 Publication of EP0621740A2 publication Critical patent/EP0621740A2/de

1994-12-21 Publication of EP0621740A3 publication Critical patent/EP0621740A3/de

1997-09-03 Application granted granted Critical

1997-09-03 Publication of EP0621740B1 publication Critical patent/EP0621740B1/de

2014-04-21 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/78—Arrangements for continuous movement of material
- H05B6/782—Arrangements for continuous movement of material wherein the material moved is food
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/666—Safety circuits

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Constitution Of High-Frequency Heating (AREA)
Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Apparatus For Disinfection Or Sterilisation (AREA)

EP94106167A 1993-04-23 1994-04-21 Verfahren zum gleichmässigen Erwärmen, Pasteurisieren und Sterilisieren von Produkten mittels Mikrowellen Expired - Lifetime EP0621740B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4313275		1993-04-23
DE4313275		1993-04-23

Publications (3)

Publication Number	Publication Date
EP0621740A2 EP0621740A2 (de)	1994-10-26
EP0621740A3 true EP0621740A3 (de)	1994-12-21
EP0621740B1 EP0621740B1 (de)	1997-09-03

Family

ID=6486168

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP94106167A Expired - Lifetime EP0621740B1 (de)	1993-04-23	1994-04-21	Verfahren zum gleichmässigen Erwärmen, Pasteurisieren und Sterilisieren von Produkten mittels Mikrowellen

Country Status (4)

Country	Link
US (1)	US5440104A (de)
EP (1)	EP0621740B1 (de)
JP (1)	JPH0747107A (de)
DE (1)	DE59403920D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5830409A (en) *	1996-01-04	1998-11-03	American Sterilizer Company	Method to shorten aeration after a sterilization cycle
AUPO728797A0 (en)	1997-06-11	1997-07-03	Containers Pty Ltd	Preferential heating of materials by use of non-ionising electromagnetic radiation
AU733292B2 (en) *	1997-06-11	2001-05-10	Amcor Packaging (Australia) Pty Ltd	Preferential heating of materials by use of non-ionising electromagnetic radiation
US6084226A (en) *	1998-04-21	2000-07-04	Cem Corporation	Use of continuously variable power in microwave assisted chemistry
US6638475B1 (en)	2000-11-08	2003-10-28	The Regents Of The University Of California	Method for inhibiting pathogenic and spoilage activity in products
US20060024195A1 (en) *	2004-07-27	2006-02-02	The Regents Of The University Of California	Non-thermal disinfestation of biological pests with pulsed radio frequency power systems
KR100821917B1 (ko) *	2005-12-20	2008-04-17	주식회사 대우일렉트로닉스	전자레인지의 과열 방지 방법
WO2009029731A2 (en) *	2007-08-28	2009-03-05	Texas Tech University System	Method and system for preserving food
US10383349B2 (en)	2013-11-04	2019-08-20	Colgate-Palmolive Company	Post-packaging pasteurization

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0240474A2 (de) *	1986-03-03	1987-10-07	Tetra Pak Processing Systems Aktiebolag	Verfahren für Hitzestabilisierung
EP0366867A2 (de) *	1988-10-11	1990-05-09	HERMANN BERSTORFF Maschinenbau GmbH	Arbeitsverfahren und Vorrichtung zum gleichmässigen Erwärmen mittels Mikrowellen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1074406A (en) *	1975-12-18	1980-03-25	Henry M. Israel	High frequency power supply microwave oven
US4296296A (en) *	1979-08-13	1981-10-20	General Electric Company	Controllable-duty-cycle power supply for microwave oven magnetron and the like
US4593167A (en) *	1982-08-02	1986-06-03	Nilssen Ole K	Electronic microwave oven power supply
US4825028A (en) *	1987-12-28	1989-04-25	General Electric Company	Magnetron with microprocessor power control

1994
- 1994-04-05 US US08/223,038 patent/US5440104A/en not_active Expired - Fee Related
- 1994-04-13 JP JP6074960A patent/JPH0747107A/ja not_active Withdrawn
- 1994-04-21 DE DE59403920T patent/DE59403920D1/de not_active Expired - Fee Related
- 1994-04-21 EP EP94106167A patent/EP0621740B1/de not_active Expired - Lifetime

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0240474A2 (de) *	1986-03-03	1987-10-07	Tetra Pak Processing Systems Aktiebolag	Verfahren für Hitzestabilisierung
EP0366867A2 (de) *	1988-10-11	1990-05-09	HERMANN BERSTORFF Maschinenbau GmbH	Arbeitsverfahren und Vorrichtung zum gleichmässigen Erwärmen mittels Mikrowellen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
W. SCHLEGEL: "Commercial Pasteurization and Sterilization of Food Products Using Microwave Technology", FOOD TECHNOLOGY, vol. 46, no. 12, 1 December 1992 (1992-12-01), CHICAGO, ILL., US, pages 62 - 63, XP000331050 *

Also Published As

Publication number	Publication date
JPH0747107A (ja)	1995-02-21
EP0621740A2 (de)	1994-10-26
EP0621740B1 (de)	1997-09-03
DE59403920D1 (de)	1997-10-09
US5440104A (en)	1995-08-08

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Legal Events

Date	Code	Title	Description
1994-09-09	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1994-10-26	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT NL SE
1994-11-03	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1994-12-21	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT NL SE
1995-02-08	17P	Request for examination filed	Effective date: 19941208
1997-01-22	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1997-02-19	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-03-12	17Q	First examination report despatched	Effective date: 19970124
1997-03-18	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-07-18	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1997-09-03	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT NL SE
1997-09-03	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 19970903 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT Effective date: 19970903 Ref country code: GB Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 19970903 Ref country code: FR Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19970903
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1997-11-28	ET	Fr: translation filed
1998-02-02	NLV1	Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
1998-03-04	GBV	Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]	Effective date: 19970903
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1999-01-18	EUG	Se: european patent has lapsed	Ref document number: 94106167.3
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