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Golden, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method to produce cyclic esters
Patent number
5,420,304
Issue date
May 30, 1995
BioPak Technology, Ltd.
Dan W. Verser
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalytic production of lactide directly from lactic acid
Patent number
5,332,839
Issue date
Jul 26, 1994
BioPak Technology, Ltd.
Herman P. Benecke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method to produce cyclic esters
Patent number
5,319,107
Issue date
Jun 7, 1994
BioPak Technology, Ltd.
Herman P. Benecke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Lactide production from dehydration of aqueous lactic acid feed
Patent number
5,274,127
Issue date
Dec 28, 1993
BioPak Technology, Ltd.
Richard G. Sinclair
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Degradable impact modified polyactic acid
Patent number
5,252,642
Issue date
Oct 12, 1993
BioPak Technology, Ltd.
Richard G. Sinclair
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Blends of polyactic acid
Patent number
5,216,050
Issue date
Jun 1, 1993
BioPak Technology, Ltd.
Richard G. Sinclair
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biodegradable packaging thermoplastics from lactides
Patent number
5,180,765
Issue date
Jan 19, 1993
BioPak Technology, Ltd.
Richard G. Sinclair
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
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last 30 trademarks