AU4300996A – Method of obtaining caprolactam by hydrolytic splitting of molten polycaprolactam
– Google Patents
AU4300996A – Method of obtaining caprolactam by hydrolytic splitting of molten polycaprolactam
– Google Patents
Method of obtaining caprolactam by hydrolytic splitting of molten polycaprolactam
Info
Publication number
AU4300996A
AU4300996A
AU43009/96A
AU4300996A
AU4300996A
AU 4300996 A
AU4300996 A
AU 4300996A
AU 43009/96 A
AU43009/96 A
AU 43009/96A
AU 4300996 A
AU4300996 A
AU 4300996A
AU 4300996 A
AU4300996 A
AU 4300996A
Authority
AU
Australia
Prior art keywords
hydrolytic splitting
obtaining caprolactam
molten polycaprolactam
polycaprolactam
molten
Prior art date
1994-12-12
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.)
Abandoned
Application number
AU43009/96A
Inventor
Peter Bassler
Michael Kopietz
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.)
BASF SE
Original Assignee
BASF SE
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.)
1994-12-12
Filing date
1995-12-01
Publication date
1996-07-03
Family has litigation
First worldwide family litigation filed
litigation
Critical
https://patents.darts-ip.com/?family=23396923&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU4300996(A)
“Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
1995-12-01
Application filed by BASF SE
filed
Critical
BASF SE
1996-07-03
Publication of AU4300996A
publication
Critical
patent/AU4300996A/en
Status
Abandoned
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07D—HETEROCYCLIC COMPOUNDS
C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
C07D201/02—Preparation of lactams
C07D201/12—Preparation of lactams by depolymerising polyamides
AU43009/96A
1994-12-12
1995-12-01
Method of obtaining caprolactam by hydrolytic splitting of molten polycaprolactam
Abandoned
AU4300996A
(en)
Applications Claiming Priority (3)
Application Number
Priority Date
Filing Date
Title
US355286
1994-12-12
US08/355,286
US5495015A
(en)
1994-12-12
1994-12-12
Process for producing caprolactam through hydrolytic cleavage of molten polycaprolactam
PCT/EP1995/004740
WO1996018613A1
(en)
1994-12-12
1995-12-01
Method of obtaining caprolactam by hydrolytic splitting of molten polycaprolactam
Publications (1)
Publication Number
Publication Date
AU4300996A
true
AU4300996A
(en)
1996-07-03
Family
ID=23396923
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU43009/96A
Abandoned
AU4300996A
(en)
1994-12-12
1995-12-01
Method of obtaining caprolactam by hydrolytic splitting of molten polycaprolactam
Country Status (19)
Country
Link
US
(1)
US5495015A
(en)
EP
(1)
EP0797571B1
(en)
JP
(1)
JPH10510280A
(en)
KR
(1)
KR100365454B1
(en)
CN
(1)
CN1069313C
(en)
AU
(1)
AU4300996A
(en)
BG
(1)
BG62929B1
(en)
BR
(1)
BR9510085A
(en)
CA
(1)
CA2208226C
(en)
CZ
(1)
CZ288486B6
(en)
DE
(1)
DE59505461D1
(en)
ES
(1)
ES2129885T3
(en)
MY
(1)
MY111917A
(en)
PL
(1)
PL189334B1
(en)
RU
(1)
RU2159233C2
(en)
SK
(1)
SK281068B6
(en)
TW
(1)
TW356465B
(en)
UA
(1)
UA51639C2
(en)
WO
(1)
WO1996018613A1
(en)
Families Citing this family (13)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US5681952A
(en)
1995-12-08
1997-10-28
Alliedsignal Inc.
Process for depolymerizing nylon-containing waste to form caprolactam
US5948908A
(en)
*
1996-03-18
1999-09-07
Alliedsignal Inc.
Process for depolymerizing polycaprolactam processing waste to form caprolactam
NL1005942C2
(en)
*
1997-05-01
1998-11-03
Dsm Nv
Depolymerization of polyamides.
US5990306A
(en)
*
1997-09-03
1999-11-23
Alliedsignal Inc.
Process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet
US7934393B2
(en)
*
2007-06-05
2011-05-03
Johns Nanville
Process for recycling glass fiber
CN101423623B
(en)
*
2007-11-02
2011-05-11
宁波大学
Depolymerization and recovery method of high temperature resistant nylon poly-para-phenylene diformyl hexane diamine
PT2432349E
(en)
2009-05-20
2013-07-04
Nestec Sa
Dispensing cap
WO2013010934A1
(en)
2011-07-21
2013-01-24
Nestec S.A.
Cup or mug cover
DE102018220616B3
(en)
*
2018-11-20
2019-05-29
Thyssenkrupp Ag
Process for the preparation of polyamide 6
JP2020172606A
(en)
*
2019-04-12
2020-10-22
マクセルホールディングス株式会社
Method for hydrothermally decomposing thermoplastic resin
EP4263687A1
(en)
2020-12-17
2023-10-25
Basf Se
Selective depolymerisation of polyamide 6 to produce caprolactam from mixtures of caprolactam-containing polymers and polyurethane-containing polymers, in particular polyurethane block copolymers
JP2022143665A
(en)
*
2021-03-18
2022-10-03
本田技研工業株式会社
Continuous hydrolysis apparatus, and continuous hydrolysis method
WO2023074432A1
(en)
*
2021-10-29
2023-05-04
東レ株式会社
METHOD FOR PRODUCING ε-CAPROLACTAM AND METHOD FOR PRODUCING POLYAMIDE 6
Family Cites Families (7)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
NL6704865A
(en)
*
1967-04-05
1968-10-07
US3939153A
(en)
*
1974-08-09
1976-02-17
Hillyard Chemical Company
Process for producing caprolactam
US4311642A
(en)
*
1980-09-17
1982-01-19
Allied Corporation
Recovery of caprolactam from nylon 6 oligomers
US4605762A
(en)
*
1982-04-23
1986-08-12
Celanese Mexicana S.A.
Depolymerization of condensation polymers
US5977193A
(en)
*
1991-06-21
1999-11-02
Basf Corporation
Reclaiming epsilon-caprolactam from nylon 6 carpet
US5294707A
(en)
*
1993-02-25
1994-03-15
Basf Corporation
Semi-continuous depolymerization of nylon 6 polymer
US5457197A
(en)
*
1994-04-08
1995-10-10
Alliedsignal Inc.
Monomer recovery from multi-component materials
1994
1994-12-12
US
US08/355,286
patent/US5495015A/en
not_active
Expired – Fee Related
1995
1995-01-12
UA
UA97073720A
patent/UA51639C2/en
unknown
1995-12-01
RU
RU97112178/04A
patent/RU2159233C2/en
not_active
IP Right Cessation
1995-12-01
PL
PL95320593A
patent/PL189334B1/en
not_active
IP Right Cessation
1995-12-01
KR
KR1019970703912A
patent/KR100365454B1/en
not_active
IP Right Cessation
1995-12-01
CZ
CZ19971763A
patent/CZ288486B6/en
not_active
IP Right Cessation
1995-12-01
JP
JP8518205A
patent/JPH10510280A/en
not_active
Withdrawn
1995-12-01
CN
CN95196757A
patent/CN1069313C/en
not_active
Expired – Fee Related
1995-12-01
EP
EP95941645A
patent/EP0797571B1/en
not_active
Revoked
1995-12-01
CA
CA002208226A
patent/CA2208226C/en
not_active
Expired – Fee Related
1995-12-01
AU
AU43009/96A
patent/AU4300996A/en
not_active
Abandoned
1995-12-01
WO
PCT/EP1995/004740
patent/WO1996018613A1/en
not_active
Application Discontinuation
1995-12-01
ES
ES95941645T
patent/ES2129885T3/en
not_active
Expired – Lifetime
1995-12-01
BR
BR9510085A
patent/BR9510085A/en
not_active
IP Right Cessation
1995-12-01
SK
SK667-97A
patent/SK281068B6/en
unknown
1995-12-01
DE
DE59505461T
patent/DE59505461D1/en
not_active
Revoked
1995-12-08
TW
TW084113084A
patent/TW356465B/en
active
1995-12-09
MY
MYPI95003809A
patent/MY111917A/en
unknown
1997
1997-06-05
BG
BG101573A
patent/BG62929B1/en
active
Active
Also Published As
Publication number
Publication date
BG62929B1
(en)
2000-11-30
CN1169719A
(en)
1998-01-07
CZ176397A3
(en)
1998-06-17
RU2159233C2
(en)
2000-11-20
WO1996018613A1
(en)
1996-06-20
SK66797A3
(en)
1998-07-08
EP0797571A1
(en)
1997-10-01
BG101573A
(en)
1998-01-30
DE59505461D1
(en)
1999-04-29
CA2208226C
(en)
2005-02-15
TW356465B
(en)
1999-04-21
JPH10510280A
(en)
1998-10-06
BR9510085A
(en)
1998-07-14
SK281068B6
(en)
2000-11-07
US5495015A
(en)
1996-02-27
EP0797571B1
(en)
1999-03-24
MX9704285A
(en)
1997-09-30
MY111917A
(en)
2001-02-28
PL189334B1
(en)
2005-07-29
KR100365454B1
(en)
2003-05-17
CA2208226A1
(en)
1996-06-20
CZ288486B6
(en)
2001-06-13
UA51639C2
(en)
2002-12-16
ES2129885T3
(en)
1999-06-16
CN1069313C
(en)
2001-08-08
PL320593A1
(en)
1997-10-13
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