NL7700853A - Werkwijze ter vervaardiging van kogelvrije combinatie (glas)schijven. - Google Patents

Werkwijze ter vervaardiging van kogelvrije combinatie (glas)schijven.

Info

Publication number
NL7700853A
NL7700853A NL7700853A NL7700853A NL7700853A NL 7700853 A NL7700853 A NL 7700853A NL 7700853 A NL7700853 A NL 7700853A NL 7700853 A NL7700853 A NL 7700853A NL 7700853 A NL7700853 A NL 7700853A
Authority
NL
Netherlands
Prior art keywords
bullet
discs
manufacture
glass
free combination
Prior art date
Application number
NL7700853A
Other languages
English (en)
Dutch (nl)
Original Assignee
Degussa
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 by Degussa filed Critical Degussa
Publication of NL7700853A publication Critical patent/NL7700853A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
    • B32B17/10899—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin
    • B32B17/10908—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin in liquid form
    • B32B17/10917—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin in liquid form between two pre-positioned glass layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10018—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/1033—Laminated safety glass or glazing containing temporary protective coatings or layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10743—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing acrylate (co)polymers or salts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/04—Plate construction composed of more than one layer
    • F41H5/0407—Transparent bullet-proof laminatesinformative reference: layered products essentially comprising glass in general B32B17/06, e.g. B32B17/10009; manufacture or composition of glass, e.g. joining glass to glass C03; permanent multiple-glazing windows, e.g. with spacing therebetween, E06B3/66
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2369/00—Polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2571/00—Protective equipment
    • B32B2571/02—Protective equipment defensive, e.g. armour plates, anti-ballistic clothing
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/911—Penetration resistant layer
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31507—Of polycarbonate
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31609—Particulate metal or metal compound-containing
    • Y10T428/31612—As silicone, silane or siloxane
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31645—Next to addition polymer from unsaturated monomers
    • Y10T428/31649—Ester, halide or nitrile of addition polymer
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31928—Ester, halide or nitrile of addition polymer
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31935—Ester, halide or nitrile of addition polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
NL7700853A 1976-02-19 1977-01-27 Werkwijze ter vervaardiging van kogelvrije combinatie (glas)schijven. NL7700853A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762606569 DE2606569A1 (de) 1976-02-19 1976-02-19 Verfahren zur herstellung von beschussfesten verbund(glas)scheiben

Publications (1)

Publication Number Publication Date
NL7700853A true NL7700853A (nl) 1977-08-23

Family

ID=5970241

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7700853A NL7700853A (nl) 1976-02-19 1977-01-27 Werkwijze ter vervaardiging van kogelvrije combinatie (glas)schijven.

Country Status (10)

Country Link
US (1) US4125669A (xx)
JP (1) JPS52100515A (xx)
BR (1) BR7700867A (xx)
CA (1) CA1076941A (xx)
CH (1) CH627425A5 (xx)
DE (1) DE2606569A1 (xx)
DK (1) DK68677A (xx)
ES (1) ES454937A1 (xx)
NL (1) NL7700853A (xx)
SE (1) SE418826B (xx)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2962408D1 (en) * 1978-01-30 1982-05-19 Cin Ind Investments Limited Synthetic resin/glass laminates and process for producing these laminates
US4198468A (en) * 1978-10-19 1980-04-15 General Electric Company Impact resistant laminate
US4234533A (en) * 1978-10-31 1980-11-18 Mary Frances Theresa Langlands Method of bonding spaced sheets by molding resin therebetween
US4364786A (en) * 1981-03-23 1982-12-21 Advanced Glass Systems Corp. Process for making safety glass laminates subject to nonsymmetrical thermal stress
DE3486336T2 (de) * 1983-05-03 1995-03-23 Nelson P Bolton Laminiertes sicherheitsglas.
US4663228A (en) * 1983-05-03 1987-05-05 Advanced Glass Systems Corp. Laminated safety glass
US4668574A (en) * 1983-05-03 1987-05-26 Advanced Glass Systems, Corp. Laminated safety glass
EP0190289A1 (en) * 1984-08-13 1986-08-13 General Electric Company Method for applying thin glass to a thermoplastic resinous substrate
JPS61180728U (xx) * 1985-04-30 1986-11-11
WO1987003841A1 (en) * 1985-12-21 1987-07-02 Glasbau Hahn Gmbh + Co. Kg Process and device for producing a plastic layer between two glass panes
FR2607237A1 (fr) * 1986-11-24 1988-05-27 Gallet Sa Ecran pare-balles ou pare-eclats
JPS6422427U (xx) * 1987-07-31 1989-02-06
WO1993022136A1 (en) * 1992-05-04 1993-11-11 John Cross Impact resistant transparent panel
US5318853A (en) * 1992-07-22 1994-06-07 Resikast Corporation Adhesive polyester prepolymer which does not etch polycarbonate sheets, and method of preparing same
JPH0640696U (ja) * 1992-09-29 1994-05-31 帝人化成株式会社 防護面体
US5773139A (en) * 1993-07-01 1998-06-30 Sumitomo Chemical Company, Limited Impact resistant transparent resin laminate
US5506051A (en) * 1994-01-27 1996-04-09 Nicolectronix Ltd. Laboratories Transparent sheet composites for use as bullet-proof windows
ATE194376T1 (de) 1994-05-17 2000-07-15 Flachglas Ag Monomermischung zum verkleben von im wesentlichen blattförmigen gegenständen
US6387477B1 (en) 1998-02-25 2002-05-14 Sumitomo Chemical Company, Limited Transparent laminate
US7562612B2 (en) * 2001-07-25 2009-07-21 Aceram Materials & Technologies, Inc. Ceramic components, ceramic component systems, and ceramic armour systems
US7204901B2 (en) * 2003-02-03 2007-04-17 Zicron Corporation Low cost process for manufacture of hurricane resistant, glass, impact resistant units
US7063760B2 (en) * 2004-01-13 2006-06-20 Gyrotron Technology, Inc. Method for laminating glass sheets using microwave radiation
US7458539B2 (en) * 2005-05-27 2008-12-02 Metso Paper, Inc. Winder roll starting apparatus for thick webs
AU2007252345B2 (en) * 2006-05-23 2012-06-14 Nu Cleer Systems Limited Laminate material
AU2008249209A1 (en) * 2007-11-30 2009-06-18 Bond Brothers Contracting Pty Ltd Single stage glass lamination process
WO2009086491A1 (en) * 2007-12-28 2009-07-09 E. I. Du Pont De Nemours And Company Actinically curable adhesive composition
WO2009086492A1 (en) * 2007-12-28 2009-07-09 E. I. Du Pont De Nemours And Company Thermally and actinically curable adhesive composition
US7938053B1 (en) 2008-08-19 2011-05-10 The United States Of America As Represented By The Secretary Of The Navy Armor
US8286405B1 (en) * 2009-08-11 2012-10-16 Agp Plastics, Inc. Fire and impact resistant window and building structures
US8975562B2 (en) * 2011-05-03 2015-03-10 General Electric Company Over the range microwave safety door
FR2975391A1 (fr) 2011-05-16 2012-11-23 Eurokera Vitroceramiques de quartz-beta avec courbe de transmission controlee ; articles en lesdites vitroceramiques, verres precurseurs.
US9090505B2 (en) 2011-07-15 2015-07-28 Corning Incorporated Microwave-based glass laminate fabrication
DE102012101093B8 (de) * 2012-02-10 2013-06-27 Fotoverbundglas Marl Gmbh Warmlaminierverfahren zum Herstellen eines Glas-Kunststoff-Laminats
CN103450822A (zh) * 2013-09-12 2013-12-18 宣英男 一种用于防弹纤维粘接用热固化膜及其加工方法
JPWO2018168954A1 (ja) * 2017-03-17 2020-01-16 株式会社クラレ 注型板とその製造方法、および二次成形品

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700534A (en) * 1963-03-28 1972-10-24 Goodyear Aircraft Corp Hard faced plastic armorplate
US3520768A (en) * 1966-12-12 1970-07-14 Bayer Ag Laminated safety panes of glass and polycarbonate using acrylic ester adhesives
US3539442A (en) * 1967-12-15 1970-11-10 Monsanto Co Laminated articles comprising polycarbonate sheet bonded to layer of plasticized polyvinyl acetal
US3624238A (en) * 1969-03-24 1971-11-30 Binswanger Glass Co Laminated transparent bullet resisting structure
US3622440A (en) * 1969-06-24 1971-11-23 Union Carbide Corp Vitreous and organic resin laminates having low-temperature utility
US3666614A (en) * 1969-06-24 1972-05-30 Union Carbide Corp Glass-polycarbonate resin laminates
US3671370A (en) * 1970-06-15 1972-06-20 Ppg Industries Inc Integral transparent safety glass armor unit
US3867222A (en) * 1972-12-12 1975-02-18 Freeman Chemical Corp Method of making multiple layer light transmissive laminates
US4032487A (en) * 1974-03-21 1977-06-28 Borden, Inc. Aqueous acrylate-epoxy silane crosslinker adhesive dispersion composition

Also Published As

Publication number Publication date
DK68677A (da) 1977-08-20
CH627425A5 (de) 1982-01-15
CA1076941A (en) 1980-05-06
JPS624345B2 (xx) 1987-01-29
US4125669A (en) 1978-11-14
DE2606569A1 (de) 1977-08-25
SE7701849L (sv) 1977-09-30
ES454937A1 (es) 1977-12-01
SE418826B (sv) 1981-06-29
BR7700867A (pt) 1977-12-06
JPS52100515A (en) 1977-08-23

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Legal Events

Date Code Title Description
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: DEGUSSA AKTIENGESELLSCHAFT

BA A request for search or an international-type search has been filed
A85 Still pending on 85-01-01
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed