Herbert L Retzsch from 6321 Anthony Dr, Hamilton, OH 45011, age 76, Phone: 5137779174

Absorbent Members For Body Fluids Using Hydrogel-Forming Absorbent Polymer
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US Patent:

6441266, Aug 27, 2002
Filed:

Mar 13, 2000
Appl. No.:

09/403252
Inventors:

John Collins Dyer - Cincinnati OH
Stephen Allen Goldman - Cincinnati OH
Herbert Louis Retzsch - Hamilton OH
Assignee:

The Procter Gamble Company - Cincinnati OH
International Classification:

A61F 1315
US Classification:

604368, 604366, 604372, 604375, 604378
Abstract:

Absorbent members useful in the containment of body fluids such as urine, that have at least one region containing hydrogel-forming absorbent polymer in a concentration of from about 50 to 100% by weight and providing a gel-continuous fluid transportation zone when in a swollen state. This hydrogel-forming absorbent polymer has: (a) a Dynamic Gelling Rate of at least about 0. 18 g/g/sec; (b) a Performance under Pressure (PUP) capacity value of at least about 25 g/g under a confining pressure of 0. 7 psi (5 kPa); and (c) when the hydrogel-forming absorbent polymer is in the form of particles, a mass median particle size of at least about 100 m.

Absorbent Structures With Gelling Agent And Absorbent Articles Containing Such Structures
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US Patent:

50612590, Oct 29, 1991
Filed:

Nov 20, 1990
Appl. No.:

7/616162
Inventors:

Stephen A. Goldman - Wyoming OH
James C. Horney - Cincinnati OH
Herbert L. Retzsch - Cincinnati OH
Assignee:

The Procter & Gamble Company - Cincinnati OH
International Classification:

A61F 1312
US Classification:

604368
Abstract:

The present invention relates to absorbent structures and absorbent gelling agent compositions suitable for use in disposable absorbent articles such as diapers, incontinence products and catamenial products. The absorbent structures comprise hydrophilic fiber material and nonfragile particles of polymeric gelling agent. The gelling agent particles incorporated into such structures are selected to have a mass median particle size ranging from about 400 to 700 microns, with the amounts of very large and very small particles kept below certain minimum concentrations. Absorbent structures utilizing gelling agent particles of such particle size characteristics possess unexpectedly high absorbent capacities and the gelling agent therein can be utilized very efficiently and effectively.

Microporous Polymeric Foams Made With Silicon Or Germanium Based Monomers
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US Patent:

61368741, Oct 24, 2000
Filed:

Jun 30, 1999
Appl. No.:

9/331990
Inventors:

John Collins Dyer - Cincinnati OH
Herbert Louis Retzsch - Cincinnati OH
Assignee:

The Procter & Gamble Company - Cincinnati OH
International Classification:

C08J 928
US Classification:

521 64
Abstract:

Disclosed are polymeric foam materials obtained using monomers based on silicon and/or germination. The copolymerization of silicon- or germanium-based monomers provide foams that have low glass transition temperatures and low densities. These foams also exhibit relatively high yield stress values, which make the foams suitable for absorption of fluids, particularly aqueous fluids such as urine and menses (when the foams are rendered hydrophilic). The foams have a variety of other uses, including insulation applications.

Absorbent Vegetable Materials
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US Patent:

47375825, Apr 12, 1988
Filed:

Jun 28, 1985
Appl. No.:

6/750567
Inventors:

Stephen A. Goldman - Cincinnati OH
David V. Myhre - Cincinnati OH
Herbert L. Retzsch - Cincinnati OH
Assignee:

The Procter & Gamble Company - Cincinnati OH
International Classification:

C08B 3706
C08L 506
A61F 1316
A61F 1320
US Classification:

536 2
Abstract:

This invention provides novel, highly absorbent pectin-containing vegetable materials, and a process for making these materials by incorporating into pectin-containing vegetable materials substituents which contain cation exchange groups. The present invention further provides absorbent structures containing these materials, as well as disposable absorbent procuts containing the materials or absorbent structures of the present invention.

Silica Coated Absorbent Fibers
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US Patent:

44697465, Sep 4, 1984
Filed:

Jun 1, 1982
Appl. No.:

6/383685
Inventors:

Paul T. Weisman - Fairfield OH
Herbert L. Retzsch - Cincinnati OH
Assignee:

The Procter & Gamble Company - Cincinnati OH
International Classification:

D04H 158
B32B 516
US Classification:

428289
Abstract:

Fibrous webs comprising fibers coated with a continuous film comprising silica have excellent absorbent and wicking properties. The fibers themselves may be hydrophilic (e. g. , cellulose) or hydrophobic (e. g. , a polyolefin or a polyester).

Herbert L Retzsch