Mohammed A Siddiqui

US Patent:

62511750, Jun 26, 2001

Filed:

Aug 6, 1998

Appl. No.:

9/130675

Inventors:

Linfang Zhu - Naperville IL
Mohammed Siddiqui - Carol Stream IL

Assignee:

Marconi Data Systems Inc. - Wood Dale IL

International Classification:

C09D 1100

US Classification:

106 3158

Abstract:

The present invention provides a jet ink composition and a method of jet printing onto non-porous substrates such as glass, metal, ceramics, and plastics images which have improved adhesion. The jet ink composition, which has short dry times, comprises an organic solvent, colorant, and a hydroxyaromatic resin with its hydroxyaromatic units being linked by a linkage other than alkylene ether linkage. The hydroxyaromatic units of the hydroxyaromatic resin are linked by, for example, an alkylene linkage. An example of a suitable hydroxyaromatic unit is a phenol. An example of the organic solvent is ethanol. The jet ink composition provides short dry times on non-porous substrates. In some embodiments of the ink composition, the image adhesion can be further improved by the use of an adhesion promoter such as a silane, a dendrimer, or a combination thereof.

US Patent:

6010564, Jan 4, 2000

Filed:

Oct 16, 1997

Appl. No.:

8/951898

Inventors:

Linfang Zhu - Naperville IL
Mark A. Chamerlik - Elk Grove Village IL
Mohammed W. Siddiqui - Carol Stream IL
Jose F. Ezpeleta - Glendale Heights IL

Assignee:

Videojet Systems International, Inc. - Wood Dale IL

International Classification:

C09D 1114
C09D 1108
B41J 201

US Classification:

106 3137

Abstract:

The present invention provides a jet ink composition suitable for printing on substrates such as plastics messages having abrasion resistance, the composition comprising an organic solvent, a colorant, a cellulose nitrate resin, and a rosin resin. For example, the messages printed on untreated low density polyethylene and polypropylene substrates have improved rub resistance and scratch resistance. The present invention further provides a method for printing abrasion resistant messages on a surface comprising projecting a stream of droplets of the jet ink composition to the surface, controlling the direction of the stream so that the droplets are caused to form the desired printed messages, and allowing the messages to dry.

US Patent:

53948785, Mar 7, 1995

Filed:

May 16, 1994

Appl. No.:

8/243614

Inventors:

Leon J. Frazin - Chicago IL
Mohammed N. Siddiqui - Lisle IL

International Classification:

A61B 812

US Classification:

12866206

Abstract:

This invention is for a new device and method for 2 dimensional, real time ultrasonic imaging of deep internal organs and vascular structures. This device and method allows clear unattenuated images of these organs and vessel by placing a 2 dimensional, real time ultrasonic transducer immediately adjacent the organ or vessel by introduction of the transducer, on the end of probe, into either the colon or the esophogus. The transducer can then be positioned adjacent the organ or vessel of interest of imaging.