DE69512674D1 - Konversion von nylon und/oder nylon 6,6 zur adipinsäure - Google Patents

Konversion von nylon und/oder nylon 6,6 zur adipinsäure

Info

Publication number: DE69512674D1
Authority: DE; Germany
Prior art keywords: nylon; conversion; adipic acid; adipic; acid
Prior art date: 1994-09-29
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.): Expired - Lifetime

Application number

DE69512674T

Other languages

English (en)

Other versions

DE69512674T2 (de

Inventor

Edward Moran

Ronald Mckinney

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.)

Invista Technologies SARL USA

Original Assignee

EI Du Pont de Nemours and Co

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.)

1994-09-29

Filing date

1995-09-22

Publication date

1999-11-11

1995-09-22 Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co

1999-11-11 Publication of DE69512674D1 publication Critical patent/DE69512674D1/de

2000-07-20 Application granted granted Critical

2000-07-20 Publication of DE69512674T2 publication Critical patent/DE69512674T2/de

2015-09-23 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000004677 Nylon Substances 0.000 title 2
WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 title 2
229920001778 nylon Polymers 0.000 title 2
235000011037 adipic acid Nutrition 0.000 title 1
239000001361 adipic acid Substances 0.000 title 1
238000006243 chemical reaction Methods 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C55/00—Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms
- C07C55/02—Dicarboxylic acids
- C07C55/14—Adipic acid
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/14—Preparation of carboxylic acid amides by formation of carboxamide groups together with reactions not involving the carboxamide groups
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Polyamides (AREA)

DE69512674T 1994-09-29 1995-09-22 Konversion von nylon und/oder nylon 6,6 zur adipinsäure Expired - Lifetime DE69512674T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US08/314,744 US5468900A (en)	1994-09-29	1994-09-29	Conversion of nylon 6 and/or nylon 6,6 to adipic acid
PCT/US1995/011776 WO1996010008A1 (en)	1994-09-29	1995-09-22	Conversion of nylon 6 and/or nylon 6,6 to adipic acid

Publications (2)

Publication Number	Publication Date
DE69512674D1 true DE69512674D1 (de)	1999-11-11
DE69512674T2 DE69512674T2 (de)	2000-07-20

Family

ID=23221246

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69512674T Expired - Lifetime DE69512674T2 (de)	1994-09-29	1995-09-22	Konversion von nylon und/oder nylon 6,6 zur adipinsäure

Country Status (8)

Country	Link
US (1)	US5468900A (de)
EP (1)	EP0783479B1 (de)
JP (1)	JP2756039B2 (de)
KR (1)	KR100221753B1 (de)
BR (1)	BR9509204A (de)
CA (1)	CA2197988C (de)
DE (1)	DE69512674T2 (de)
WO (1)	WO1996010008A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0833809B1 (de)	1995-06-22	1999-12-29	E.I. Du Pont De Nemours And Company	Salpetersäure-hydrolyse von polyamiden
US5656757A (en) *	1995-08-10	1997-08-12	Alliedsignal Inc.	Monomer recovery from multi-component materials
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
US6060728A (en) *	1998-01-12	2000-05-09	Fed Corporation	Organic light emitting device structure and process
WO2008150842A1 (en) *	2007-06-01	2008-12-11	Invista Technologies S.A.R.L.	Ionic liquids as electrolytes
US8017662B2 (en) *	2007-09-20	2011-09-13	Universal Fibers, Inc.	Method of separation and cleaning of post consumer carpet face yarn from carpet backing and yarn product produced therefrom
WO2015060829A1 (en)	2013-10-22	2015-04-30	Empire Technology Development Llc	Compounds and methods for producing nylon 6
EP3060541A4 (de) *	2013-10-22	2017-06-14	Empire Technology Development LLC	Verbindungen und verfahren zur herstellung von nylon-6,6
US10131610B2 (en)	2013-10-25	2018-11-20	Empire Technology Development Llc	Methods of producing dicarbonyl compounds
CN114163344B (zh) *	2021-12-20	2024-04-05	昌德新材科技股份有限公司	一种制备6-氨基己酸的方法
DE102023124897A1 (de)	2023-09-14	2025-03-20	Rheinisch-Westfälische Technische Hochschule Aachen, abgekürzt RWTH Aachen, Körperschaft des öffentlichen Rechts	Verfahren zur elektrochemischen Depolymerisation von Polyestern

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE910056C (de) *	1944-01-01	1954-04-29	Basf Ag	Verfahren zur Herstellung von ªŠ-Lactamen aus ªŠ-Aminocarbonsaeuren oder aus Polyamiden
US3069465A (en) *	1959-09-09	1962-12-18	Du Pont	Recovery of adipic acid and hexamethylene diamine from nylon
US3806543A (en) *	1970-12-30	1974-04-23	Toho Beslon Co	Method for alkali-cleavage of n-tert-alkylamides
JPS563865A (en) *	1979-06-25	1981-01-16	Shin Meiwa Ind Co Ltd	Cylindrical open showcase
US5310905A (en) *	1993-04-14	1994-05-10	E. I. Du Pont De Nemours And Company	Conversion of nylon 6 and/or nylon 6,6 to monomers

1994
- 1994-09-29 US US08/314,744 patent/US5468900A/en not_active Expired - Lifetime
1995
- 1995-09-22 DE DE69512674T patent/DE69512674T2/de not_active Expired - Lifetime
- 1995-09-22 BR BR9509204A patent/BR9509204A/pt not_active IP Right Cessation
- 1995-09-22 CA CA002197988A patent/CA2197988C/en not_active Expired - Lifetime
- 1995-09-22 EP EP95934987A patent/EP0783479B1/de not_active Expired - Lifetime
- 1995-09-22 WO PCT/US1995/011776 patent/WO1996010008A1/en not_active Ceased
- 1995-09-22 JP JP8511843A patent/JP2756039B2/ja not_active Expired - Lifetime
- 1995-09-22 KR KR1019970702054A patent/KR100221753B1/ko not_active Expired - Lifetime

Also Published As

Publication number	Publication date
KR970706229A (ko)	1997-11-03
WO1996010008A1 (en)	1996-04-04
CA2197988C (en)	2000-08-29
EP0783479B1 (de)	1999-10-06
KR100221753B1 (ko)	1999-09-15
CA2197988A1 (en)	1996-04-04
DE69512674T2 (de)	2000-07-20
US5468900A (en)	1995-11-21
JP2756039B2 (ja)	1998-05-25
EP0783479A1 (de)	1997-07-16
BR9509204A (pt)	1998-01-27
JPH09511528A (ja)	1997-11-18

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Legal Events

Date	Code	Title	Description
2000-10-26	8364	No opposition during term of opposition
2009-04-16	8327	Change in the person/name/address of the patent owner	Owner name: INVISTA TECHNOLOGIES S.A.R.L., WILMINGTON, DEL, US
2009-04-16	8328	Change in the person/name/address of the agent	Representative=s name: MARKS & CLERK, LUXEMBOURG, LU