NL7203689A - - Google Patents

Info

Publication number: NL7203689A
Authority: NL; Netherlands

Application number

NL7203689A

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.)

1971-03-26

Filing date

1972-03-20

Publication date

1972-09-28

1972-03-20 Application filed filed Critical

1972-09-28 Publication of NL7203689A publication Critical patent/NL7203689A/xx

Links

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
- G11B5/7021—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing a polyurethane or a polyisocyanate
- G11B5/7022—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Paints Or Removers (AREA)
Magnetic Record Carriers (AREA)

NL7203689A 1971-03-26 1972-03-20 NL7203689A (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712114611 DE2114611A1 (de)	1971-03-26	1971-03-26	Magnetische Aufzeichnungsträger

Publications (1)

Publication Number	Publication Date
NL7203689A true NL7203689A (it)	1972-09-28

Family

ID=5802789

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7203689A NL7203689A (it)	1971-03-26	1972-03-20

Country Status (7)

Country	Link
BE (1)	BE781192A (it)
CA (1)	CA969433A (it)
DE (1)	DE2114611A1 (it)
FR (1)	FR2130654B1 (it)
GB (1)	GB1375295A (it)
IT (1)	IT952402B (it)
NL (1)	NL7203689A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3151590A1 (de)	1981-12-28	1983-07-07	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung magnetischer aufzeichnungstraeger
DE3927659A1 (de) *	1989-08-22	1991-02-28	Basf Ag	Magnetische aufzeichnungstraeger
US6720025B2 (en)	2002-07-01	2004-04-13	3M Innovative Properties Company	Slot extrusion coating methods

1971
- 1971-03-26 DE DE19712114611 patent/DE2114611A1/de active Pending
1972
- 1972-03-20 NL NL7203689A patent/NL7203689A/xx not_active Application Discontinuation
- 1972-03-23 CA CA137,987A patent/CA969433A/en not_active Expired
- 1972-03-24 GB GB1382672A patent/GB1375295A/en not_active Expired
- 1972-03-24 FR FR7210376A patent/FR2130654B1/fr not_active Expired
- 1972-03-24 BE BE781192A patent/BE781192A/xx unknown
- 1972-03-25 IT IT49248/72A patent/IT952402B/it active

Also Published As

Publication number	Publication date
DE2114611A1 (de)	1972-10-05
BE781192A (fr)	1972-09-25
GB1375295A (it)	1974-11-27
IT952402B (it)	1973-07-20
FR2130654A1 (it)	1972-11-03
CA969433A (en)	1975-06-17
FR2130654B1 (it)	1975-04-25

Legal Events

Date	Code	Title	Description
1979-04-25	BV	The patent application has lapsed

Publication	Publication Date	Title
FR2135667A1 (it)	1972-12-22
AU460471B2 (it)	1975-04-24
FR2152067A5 (it)	1973-04-20
FR2130654A1 (it)	1972-11-03
FR2156777A1 (it)	1973-06-01
AU3005371A (it)	1972-12-21
AU2907471A (it)	1972-11-23
CS151150B1 (it)	1973-09-17
CS151117B1 (it)	1973-09-17
CS152849B1 (it)	1974-02-22
CS148653B1 (it)	1973-03-29
CS151187B1 (it)	1973-09-17
CS148659B1 (it)	1973-03-29
CH556563A (it)	1974-11-29
BG16876A1 (it)	1973-04-25
CH589445A5 (it)	1977-07-15
CH561266A5 (it)	1975-04-30
CH561761A5 (it)	1975-05-15
BG16955A1 (it)	1973-04-25
CH563652A5 (it)	1975-06-30
BE778705R (it)	1972-05-16
BG16634A1 (it)	1973-02-15
CH562974A5 (it)	1975-06-13
CH564682A5 (it)	1975-07-31
CH560864A5 (it)	1975-04-15