Stephen J Wolf

US Patent:

6500777, Dec 31, 2002

Filed:

Jun 25, 1997

Appl. No.:

08/881972

Inventors:

David M. Wiseman - Dallas TX
Lowell Saferstein - Edison NJ
Stephen Wolf - Neshanic Station NJ

Assignee:

Ethicon, Inc. - New Brunswick NJ

International Classification:

B32B 2712

US Classification:

442286, 156281, 156336, 424444, 442304, 442394, 604304

Abstract:

An improved adhesion-preventative physical barrier, wound dressing and drug delivery system comprising an oxidized cellulose film made up of multiple layers of a cellulose fabric or like material and a cellulose film. A method for forming an improved oxidized cellulose film and for using the same to prevent the formation of postsurgical adhesions and/or to dress a wound and/or to deliver one or more drugs.

US Patent:

20030073663, Apr 17, 2003

Filed:

Jun 25, 1997

Appl. No.:

08/881984

Inventors:

DAVID M WISEMAN - DALLAS TX, US
LOWELL SAFERSTEIN - EDISON NJ, US
STEPHEN WOLF - NESHANIC STATION NJ, US

International Classification:

A61K031/715
A01N043/04
A61K031/665
A01N057/00
A61K031/727
A61F002/00

US Classification:

514/054000, 514/055000, 514/056000, 514/057000, 514/058000, 514/059000, 514/060000, 424/424000

Abstract:

Bioabsorbable medical devices are prepared by oxidizing derivatives of cellulose, including methyl cellulose, carboxymethylcellulose, and cellulose acetate. The resulting material is formed into films, sponges and, in the case of oxidized methyl cellulose, gels, due to its unique property of being water soluble. The resulting devices are particularly useful in limiting surgical adhesions, and for hemostasis. Other uses include wound dressings and as a replacement for more expensive bioabsorbable gels such as hyaluronic acid.

US Patent:

20180066191, Mar 8, 2018

Filed:

Sep 6, 2016

Appl. No.:

15/257859

Inventors:

Stephen F. Wolf - Saint Paul MN, US
Carleton Drew Tait - North Salt Lake UT, US
Douglas M Van Thorre - Minneapolis MN, US
Michael L Catto - Moore SC, US

Assignee:

Biomass Energy Enhancements LLC - Zirconia NC

International Classification:

C10B 53/02
C10L 3/00
C10B 57/08
C10B 37/04

Abstract:

A processed biogas composition made with an oxygen-deficient thermal sub-system from a processed organic-carbon-containing feedstock made with a beneficiation sub-system is described. Renewable biomass feedstock passed through a beneficiation sub-system to reduce water content to below at least 20 wt % and water-soluble salt reduction of at least 60% from that of unprocessed organic-carbon-containing feedstock on a dry basis. The processed feedstock is introduced into an oxygen-deficient thermal sub-system to result in processed biogas having an energy density of at least 700 BTU/cubic ft (26 MJ/cubic meter), a carbon monoxide concentration of less than 20 vol %, and a carbon dioxide concentration of less than 15 vol %.