IP Library Granted Patent US 6,569,989
Granted Patent Utility
US 6,569,989 · Confirmation No. 8883

PROCESS FOR PRODUCING LACTIDE AND PROCESS FOR PRODUCING POLYLACTIC ACID FROM FERMENTED LACTIC ACID EMPLOYED AS STARTING MATERIAL

⬇ PDF
Code Description Pages PDF
2001-12-19 TRNA Transmittal of New Application 2 View
2001-12-19 SPEC Specification 35 View
2001-12-19 CLM Claims 7 View
2001-12-19 ABST Abstract 1 View
2001-12-19 DRW Drawings-only black and white line drawings 3 View
2001-12-19 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,569,989
App. No.
10/020,907
Filed
2001-12-19
Granted
2003-05-27
Pub. No.
US20020132967A1
Art Unit
1711
PTA
0 days