BR9509204A - Método para conversão de policaprolactama para ácido adípico método para conversão de polihexametileno adipamida para ácido adípico e método para conversão de uma mistura de policaprolactma e polihexametileno adipamida para ácido adipico - Google Patents

Método para conversão de policaprolactama para ácido adípico método para conversão de polihexametileno adipamida para ácido adípico e método para conversão de uma mistura de policaprolactma e polihexametileno adipamida para ácido adipico

Info

Publication number
BR9509204A
BR9509204A BR9509204A BR9509204A BR9509204A BR 9509204 A BR9509204 A BR 9509204A BR 9509204 A BR9509204 A BR 9509204A BR 9509204 A BR9509204 A BR 9509204A BR 9509204 A BR9509204 A BR 9509204A
Authority
BR
Brazil
Prior art keywords
converting
adipic acid
polyhexamethylene adipamide
polycaprolactma
polycaprolactam
Prior art date
Application number
BR9509204A
Other languages
English (en)
Inventor
Edward Francis Moran Jr
Ronald James Mckinney
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of BR9509204A publication Critical patent/BR9509204A/pt

Links

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
BR9509204A 1994-09-29 1995-09-22 Método para conversão de policaprolactama para ácido adípico método para conversão de polihexametileno adipamida para ácido adípico e método para conversão de uma mistura de policaprolactma e polihexametileno adipamida para ácido adipico BR9509204A (pt)

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 (1)

Publication Number Publication Date
BR9509204A true BR9509204A (pt) 1998-01-27

Family

ID=23221246

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9509204A BR9509204A (pt) 1994-09-29 1995-09-22 Método para conversão de policaprolactama para ácido adípico método para conversão de polihexametileno adipamida para ácido adípico e método para conversão de uma mistura de policaprolactma e polihexametileno adipamida para ácido adipico

Country Status (8)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2162435B1 (en) 2007-06-01 2013-09-04 Invista Technologies S.à.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
WO2015060827A1 (en) * 2013-10-22 2015-04-30 Empire Technology Development Llc Methods and compounds for producing nylon 6,6
EP3060597A4 (en) 2013-10-22 2017-06-14 Empire Technology Development LLC Compounds and methods for producing nylon 6
CN105658616A (zh) 2013-10-25 2016-06-08 英派尔科技开发有限公司 产生二羰基化合物的方法
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

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

Also Published As

Publication number Publication date
WO1996010008A1 (en) 1996-04-04
CA2197988A1 (en) 1996-04-04
JP2756039B2 (ja) 1998-05-25
EP0783479B1 (en) 1999-10-06
US5468900A (en) 1995-11-21
DE69512674T2 (de) 2000-07-20
EP0783479A1 (en) 1997-07-16
JPH09511528A (ja) 1997-11-18
DE69512674D1 (de) 1999-11-11
CA2197988C (en) 2000-08-29
KR100221753B1 (ko) 1999-09-15
KR970706229A (ko) 1997-11-03

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B25A Requested transfer of rights approved

Owner name: INVISTA TECHNOLOGIES S.A.R.L. (US)

Free format text: TRANSFERIDO DE: E.I. DUPONT DE NEMOURS AND COMPANY

B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 22/09/2015