Benson, Richard D.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Benson, Richard D..The latest application filed is for "method for preparation of purified glycerides; and, products".

Company Profile

0.10.1

Benson, Richard D. - Long Lake MN
Benson; Richard D. - Maple Plain MN
Benson; Richard D. - Minneapolis MN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for preparation of purified glycerides; and, products App 20020128500 - Kolstad, Jeffrey J. ; et al.	2002-09-12
Method for preparation of purified glycerides, and, products Grant 6,153,773 - Kolstad , et al. November 28, 2	2000-11-28
Method for preparation of purified glycerides and products Grant 5,959,128 - Kolstad , et al. September 28, 1	1999-09-28
Method for preparation of purified monoglycerides; and, products Grant 5,859,270 - Kolstad , et al. January 12, 1	1999-01-12
Continuous process for manufacture of lactide polymers with purification by distillation Grant 5,357,035 - Gruber , et al. * October 18, 1	1994-10-18
Continuous process for manufacture of a purified lactide Grant 5,274,073 - Gruber , et al. * December 28, 1	1993-12-28
Continuous process for manufacture of lactide polymers with controlled optical purity Grant 5,258,488 - Gruber , et al. * November 2, 1	1993-11-02
Continuous process for the manufacture of a purified lactide from esters of lactic acid Grant 5,247,059 - Gruber , et al. * September 21, 1	1993-09-21
Continuous process for manufacture of lactide polymers with controlled optical purity Grant 5,247,058 - Gruber , et al. * September 21, 1	1993-09-21
Continuous process for manufacture of lactide polymers with controlled optical purity Grant 5,142,023 - Gruber , et al. August 25, 1	1992-08-25
Cold/dry substrate treatment technique which improves photolithographic limits of resolution and exposure tolerance Grant 4,490,457 - Kardashian , et al. December 25, 1	1984-12-25

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