Description
Class C07D : HETEROCYCLIC COMPOUNDS
Subclass 201/02: Preparation, separation, purification, or stabilisation of unsubstituted lactams Preparation of lactams
C07D 201/02
Sub-Class
Stats
- 16 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 11 Total Patent Owners
- 151 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11618732 | Process for the synthesis of n-substituted lactams and amides | Dec 08, 20 | Apr 04, 23 | AdvanSix Resins & Chemical LLC |
| 10618873 | Method for producing C4-C15 lactams | Jan 30, 17 | Apr 14, 20 | BASF SE |
| 10577320 | Method for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives | Apr 26, 17 | Mar 03, 20 | Bayer Cropscience Aktiengesellschaft |
| 9745332 | Catalysts and processes for the hydrogenation of amides | Jul 18, 12 | Aug 29, 17 | THE GOVERNORS OF THE UNIVERSITY OF ALBERTA |
| 9586898 | Oxidation of cyclohexylbenzene | Aug 16, 11 | Mar 07, 17 | EXXONMOBIL CHEMICAL PATENTS INC. |
| 9561991 | Process and apparatus for co-producing cyclohexanol and alkanol | Sep 17, 13 | Feb 07, 17 | CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, |
| 8283466 | Catalytic deamination for caprolactam production | Feb 20, 08 | Oct 09, 12 | BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY |
| 8231765 | Process for the purification of lactams | May 29, 08 | Jul 31, 12 | RHODIA POLYAMIDE INTERMEDIATES |
| 7060820 | Process for making caprolactam | Mar 18, 05 | Jun 13, 06 | INVISTA NORTH AMERICA S.A.R.L. |
| 6677449 | Preparation of caprolactam | Oct 29, 02 | Jan 13, 04 | BASF AKTIENGESELLSCHAFT |
| 6479658 | Method for cyclizing hydrolysis of an aminonitrile compound into lactam | Jun 04, 01 | Nov 12, 02 | RHODIA FIBER AND RESIN INTERMEDIATES |
| 6437089 | Process for the production of nylon 6 | Jun 01, 01 | Aug 20, 02 | INVISTA NORTH AMERICA S.A.R.L. |
| 6331624 | Process for preparing 6-aminocaproamide | Apr 05, 00 | Dec 18, 01 | INVISTA NORTH AMERICA S.A.R.L. |
| 6147208 | Process for simultaneously preparing caprolactam and hexamethylene diamine | Jun 16, 98 | Nov 14, 00 | BASF AKTIENGESELLSCHAFT |
| 5922863 | Diene cyclization using ruthenium and osmium carbene complexes | Oct 26, 95 | Jul 13, 99 | CALIFORNIA INSTITUTE OF TECHNOLOGY, MATERIA, INC., |
| 5663329 | Preparation of enantiomerically pure lactams | Apr 30, 96 | Sep 02, 97 | BASF AKTIENGESELLSCHAFT |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 35 Months (last 2 years Issuances)
- 35 Months (last 5 years Issuances)