by depolymerising polyamides

Industry

CPC
C07D201/12

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Parent Industries

CCHEMISTRY METALLURGY C07Organic chemistry C07DHETEROCYCLIC COMPOUNDS C07D201/00Preparation, separation, purification or stabilisation of unsubstituted lactams

Current Industry

C07D201/12by depolymerising polyamides

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Patents Grantslast 30 patents

Information Patent Grant
Compositions and methods of preparation thereof
- Patent number 11,827,591
- Issue date Nov 28, 2023
- aPEEL Technology, Inc.
- Ronald C. Bakus
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
System and method for recovering caprolactam from rearrangement mix...
- Patent number 8,193,348
- Issue date Jun 5, 2012
- China Petrochemical Development Corporation
- Chien-Hsien Li
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ionic liquid solvents and a process for the depolymerization of pol...
- Patent number 7,772,293
- Issue date Aug 10, 2010
- INVISTA North America S.a.r.l.
- Keith Whiston
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for the treatment of waste containing polyamide with the rep...
- Patent number 7,538,143
- Issue date May 26, 2009
- Zimmer Aktiengesellschaft
- Rudolf Kampf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the manufacture of caprolactam from waste containing pol...
- Patent number 7,173,127
- Issue date Feb 6, 2007
- Zimmer Aktiengesellschaft
- Claus Born
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying caprolactam from waste containing polyamide us...
- Patent number 7,129,347
- Issue date Oct 31, 2006
- Zimmer Aktiengesellschaft
- Rudolf Kampf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering monomeric units of a nylon from whole carpet
- Patent number 7,115,671
- Issue date Oct 3, 2006
- DSM IP Assets B.V.
- Antonius J. F. M. Courage
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for the preparation of ε-caprolactam
- Patent number 6,660,857
- Issue date Dec 9, 2003
- DSM N.V.
- Frank P. W. Agterberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for nylon depolymerization
- Patent number 6,498,250
- Issue date Dec 24, 2002
- DSM N.V.
- Leonardus J. G. Raets
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for recovering caprolactam and steam
- Patent number 6,495,682
- Issue date Dec 17, 2002
- DSM N.V.
- Peter W. H. Cheng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for depolymerizing nylon-containing waste to form caprolactam
- Patent number 6,342,555
- Issue date Jan 29, 2002
- AlliedSignal Inc.
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of caprolactam obtained from the depol...
- Patent number 6,187,917
- Issue date Feb 13, 2001
- AlliedSignal Inc.
- Richard Eugene Mayer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of caprolactam from waste containing nylon
- Patent number 6,111,099
- Issue date Aug 29, 2000
- DSM N.V.
- Yvonne H Frentzen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of recovering .epsilon.-caprolactam from PA-6 synthesis ext...
- Patent number 6,093,788
- Issue date Jul 25, 2000
- Lurgi Zimmer Aktiengesellschaft
- Claus Born
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Depolymerization of polyamides
- Patent number 6,087,494
- Issue date Jul 11, 2000
- DSM N.V.
- Petrus J. H. Thomissen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Depolymerization of polyamides
- Patent number 6,020,486
- Issue date Feb 1, 2000
- DSM N.V.
- Martin Booij
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of a mixture of .epsilon.-caprolactam,...
- Patent number 6,011,153
- Issue date Jan 4, 2000
- DSM N.V.
- Wim Buijs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of caprolactam obtained from the depol...
- Patent number 5,990,306
- Issue date Nov 23, 1999
- AlliedSignal Inc.
- Richard Eugene Mayer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reclaiming epsilon-caprolactam from nylon 6 carpet
- Patent number 5,977,193
- Issue date Nov 2, 1999
- BASF Corporation
- Thomas F. Corbin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for depolymerizing polycaprolactam processing waste to form...
- Patent number 5,948,908
- Issue date Sep 7, 1999
- AlliedSignal Inc.
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for depolymerizing nylon-containing waste to form caprolactam
- Patent number 5,932,724
- Issue date Aug 3, 1999
- AlliedSignal Inc.
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for depolymerizing nylon-containing whole carpet to form ca...
- Patent number 5,929,234
- Issue date Jul 27, 1999
- AlliedSignal Inc.
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for depolymerizing polycaprolactam processing waste to form...
- Patent number 5,869,654
- Issue date Feb 9, 1999
- AlliedSignal Inc.
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery of caprolactam from oligomers and/or polymers of caprolactam
- Patent number 5,700,358
- Issue date Dec 23, 1997
- BASF Aktiengesellschaft
- Hugo Fuchs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of caprolactam from 6-aminocapronitrile
- Patent number 5,693,793
- Issue date Dec 2, 1997
- BASF Aktiengesellschaft
- Josef Ritz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for depolymerizing nylon-containing waste to form caprolactam
- Patent number 5,681,952
- Issue date Oct 28, 1997
- AlliedSignal Inc.
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Depolymerization of polyamides
- Patent number 5,668,277
- Issue date Sep 16, 1997
- DSM N.V.
- Jan A. J. Hendrix
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Monomer recovery from multi-component materials
- Patent number 5,656,757
- Issue date Aug 12, 1997
- AlliedSignal Inc.
- Theodore John Jenczewski
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reclaiming .epsilon.-caprolactam from carpet waste
- Patent number 5,556,890
- Issue date Sep 17, 1996
- DSM N.V.
- Antoon H. T. Halderit
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Obtaining caprolactam by cleavage of molten polycaprolactam
- Patent number 5,536,831
- Issue date Jul 16, 1996
- BASF Aktiengesellschaft
- Michael Kopietz
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITIONS AND METHODS OF PREPARATION THEREOF
- Publication number 20240092719
- Publication date Mar 21, 2024
- aPEEL Technology, Inc.
- Ronald C. Bakus
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SYSTEM AND METHOD FOR RECOVERING CAPROLACTAM FROM REARRANGEMENT MIX...
- Publication number 20090312542
- Publication date Dec 17, 2009
- China Petrochemical Development Corporation
- Chien-Hsien LI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
IONIC LIQUID SOLVENTS AND A PROCESS FOR THE DEPOLYMERIZATION OF POL...
- Publication number 20090036602
- Publication date Feb 5, 2009
- INVISTA North America S.a r.l.
- KEITH WHISTON
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for purifying caprolactam from waste containing polyamide us...
- Publication number 20050056532
- Publication date Mar 17, 2005
- ZIMMER AKTIENGESELLSCHAFT
- Rudolf Kampf
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for the treatment of waste containing polyamide with the rep...
- Publication number 20050054739
- Publication date Mar 10, 2005
- ZIMMER AKTIENGESELLSCHAFT
- Rudolf Kampf
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for the manufacture of caprolactam from waste containing pol...
- Publication number 20040024204
- Publication date Feb 5, 2004
- ZIMMER AKTIENGESELLSCHAFT
- Claus Born
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for recovering monomeric units of a nylon from whole carpet
- Publication number 20030225170
- Publication date Dec 4, 2003
- Antonius J.F.M. Courage
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Process for the preparation of epsilon-caprolactam
- Publication number 20030065169
- Publication date Apr 3, 2003
- DSM N.V.
- Frank P.W. Agterberg
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for recovering caprolactam and steam
- Publication number 20020058808
- Publication date May 16, 2002
- Peter W.H. Cheng
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for nylon depolymerization
- Publication number 20020038023
- Publication date Mar 28, 2002
- Leonardus J.G. Raets
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for depolymerizing nylon-containing waste to form caprolactam
- Publication number 20010001792
- Publication date May 24, 2001
- AlliedSignal
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY

by depolymerising polyamides

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Compositions and methods of preparation thereof

System and method for recovering caprolactam from rearrangement mix...

Ionic liquid solvents and a process for the depolymerization of pol...

Method for the treatment of waste containing polyamide with the rep...

Method for the manufacture of caprolactam from waste containing pol...

Method for purifying caprolactam from waste containing polyamide us...

Process for recovering monomeric units of a nylon from whole carpet

Process for the preparation of &#x03B5;-caprolactam

Process for nylon depolymerization

Process for recovering caprolactam and steam

Process for depolymerizing nylon-containing waste to form caprolactam

Process for the purification of caprolactam obtained from the depol...

Process for the recovery of caprolactam from waste containing nylon

Process of recovering .epsilon.-caprolactam from PA-6 synthesis ext...

Depolymerization of polyamides

Depolymerization of polyamides

Process for the preparation of a mixture of .epsilon.-caprolactam,...

Process for the purification of caprolactam obtained from the depol...

Reclaiming epsilon-caprolactam from nylon 6 carpet

Process for depolymerizing polycaprolactam processing waste to form...

Process for depolymerizing nylon-containing waste to form caprolactam

Process for depolymerizing nylon-containing whole carpet to form ca...

Process for depolymerizing polycaprolactam processing waste to form...

Recovery of caprolactam from oligomers and/or polymers of caprolactam

Preparation of caprolactam from 6-aminocapronitrile

Process for depolymerizing nylon-containing waste to form caprolactam

Depolymerization of polyamides

Monomer recovery from multi-component materials

Reclaiming .epsilon.-caprolactam from carpet waste

Obtaining caprolactam by cleavage of molten polycaprolactam

Patents Applicationslast 30 patents

COMPOSITIONS AND METHODS OF PREPARATION THEREOF

SYSTEM AND METHOD FOR RECOVERING CAPROLACTAM FROM REARRANGEMENT MIX...

IONIC LIQUID SOLVENTS AND A PROCESS FOR THE DEPOLYMERIZATION OF POL...

Method for purifying caprolactam from waste containing polyamide us...

Method for the treatment of waste containing polyamide with the rep...

Method for the manufacture of caprolactam from waste containing pol...

Process for recovering monomeric units of a nylon from whole carpet

Process for the preparation of epsilon-caprolactam

Process for recovering caprolactam and steam

Process for nylon depolymerization

Process for depolymerizing nylon-containing waste to form caprolactam

Process for the preparation of ε-caprolactam