NL6714502A - - Google Patents

Info

Publication number
NL6714502A
NL6714502A NL6714502A NL6714502A NL6714502A NL 6714502 A NL6714502 A NL 6714502A NL 6714502 A NL6714502 A NL 6714502A NL 6714502 A NL6714502 A NL 6714502A NL 6714502 A NL6714502 A NL 6714502A
Authority
NL
Netherlands
Application number
NL6714502A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of NL6714502A publication Critical patent/NL6714502A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
    • H01G7/023—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
    • H01B3/421—Polyesters
    • H01B3/426—Polycarbonates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/39—Electrets separator

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
NL6714502A 1966-11-01 1967-10-25 NL6714502A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59132166A 1966-11-01 1966-11-01

Publications (1)

Publication Number Publication Date
NL6714502A true NL6714502A (de) 1968-05-02

Family

ID=24366026

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6714502A NL6714502A (de) 1966-11-01 1967-10-25

Country Status (5)

Country Link
US (1) US3458713A (de)
DE (1) DE1614294A1 (de)
GB (1) GB1135998A (de)
NL (1) NL6714502A (de)
SE (1) SE336025B (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE28420E (en) * 1967-05-15 1975-05-13 Blbctret acoustic transducer
US3612778A (en) * 1967-05-15 1971-10-12 Thermo Electron Corp Electret acoustic transducer and method of making
US3632443A (en) * 1968-04-27 1972-01-04 Sony Corp Method of making polypropylene electrets
GB1302590A (de) * 1969-09-10 1973-01-10
US3967027A (en) * 1969-12-19 1976-06-29 Kureha Kagaku Kogyo Kabushiki Kaisha Stable electret retaining a high surface potential and method of making the same
US3783588A (en) * 1971-12-20 1974-01-08 Gen Electric Polymer film electret air filter
US3809828A (en) * 1972-01-17 1974-05-07 Gte Laboratories Inc Electret transducing device
US3854337A (en) * 1973-10-01 1974-12-17 Us Atomic Energy Charge storage device
US3968790A (en) * 1975-02-26 1976-07-13 Rikagaku Kenkyusho Electret method of promoting callus formation in regeneration of bones
US4808849A (en) * 1987-02-03 1989-02-28 Canadian Patents And Development Limited/Societe Canadienne Des Brevets Et D'exploitation Limitee Phyllosilicate electrets and a method for their manufacture
US5206797A (en) * 1987-02-20 1993-04-27 Colgate-Palmolive Company Nonisotropic solution polarizable material and electrical components produced therefrom
US5038249A (en) * 1987-02-20 1991-08-06 Colgate-Palmolive Co. Nonisotropic solution polarizable material and electrical components produced therefrom
US4878150A (en) * 1987-02-20 1989-10-31 Colgate-Palmolive Co. Polarizable material having a liquid crystal microstructure and electrical components produced therefrom
CA2037942A1 (en) * 1990-03-12 1991-09-13 Satoshi Matsuura Process for producing an electret, a film electret, and an electret filter
US6513184B1 (en) 2000-06-28 2003-02-04 S. C. Johnson & Son, Inc. Particle entrapment system
US6550639B2 (en) 2000-12-05 2003-04-22 S.C. Johnson & Son, Inc. Triboelectric system
US6899931B2 (en) 2001-09-07 2005-05-31 S. C. Johnson Home Storage, Inc. Film material
US6846449B2 (en) 2001-09-07 2005-01-25 S. C. Johnson Home Storage, Inc. Method of producing an electrically charged film
US20030047844A1 (en) * 2001-09-07 2003-03-13 Jose Porchia Method of producing an electrically charged film
US20040254322A1 (en) * 2003-06-10 2004-12-16 Trent John S. Easily torn charged or uncharged films and methods and compositions for producing same
US20040262234A1 (en) * 2003-06-27 2004-12-30 Warren William L. Desalinization using a moving magnetic field

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE464634A (de) * 1946-01-22 S E M S A R L Ets
US3274156A (en) * 1964-01-10 1966-09-20 Eastman Kodak Co Chlorinated polycarbonates

Also Published As

Publication number Publication date
DE1614294A1 (de) 1970-05-27
US3458713A (en) 1969-07-29
SE336025B (de) 1971-06-21
GB1135998A (en) 1968-12-11

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