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Clark M. Welch
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Metairie, LA, US
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Patents Grants
last 30 patents
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Patent Grant
Catalysts and processes for formaldehyde-free durable press finishi...
Patent number
5,221,285
Issue date
Jun 22, 1993
The United States of America as represented by the Secretary of Agriculture
Bethlehem K. Andrews
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Catalysts and processes for formaldehyde-free durable press finishi...
Patent number
4,975,209
Issue date
Dec 4, 1990
The United States of America as represented by the Secretary of Agriculture
Clark M. Welch
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Catalysts and processes for formaldehyde-free durable press finishi...
Patent number
4,936,865
Issue date
Jun 26, 1990
The United States of America as represented by the Secretary of Agriculture
Clark M. Welch
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Catalysts and processes for formaldehyde-free durable press finishi...
Patent number
4,820,307
Issue date
Apr 11, 1989
The United States of America as represented by the Secretary of Agriculture
Clark M. Welch
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Abrasion-resistant durable-press acrylic finishes for cotton textil...
Patent number
4,483,689
Issue date
Nov 20, 1984
The United States of America as represented by the Secretary of Agriculture
Clark M. Welch
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Mild-cure formaldehyde-free durable-press finishing of cotton texti...
Patent number
4,472,167
Issue date
Sep 18, 1984
The United States of America as represented by the Secretary of Agriculture
Clark M. Welch
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Zinc pyrithione process to impart antimicrobial properties to textiles
Patent number
4,443,222
Issue date
Apr 17, 1984
The United States of America as represented by the Secretary of Agriculture
Cletus E. Morris
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Antibacterial textile finishes utilizing zinc acetate and hydrogen...
Patent number
4,199,322
Issue date
Apr 22, 1980
The United States of America as represented by the Secretary of Agriculture
Gary F. Danna
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Antibacterial textile finishes utilizing zironyl acetate complexes...
Patent number
4,174,418
Issue date
Nov 13, 1979
The United States of America as represented by the Secretary of Agriculture
Clark M. Welch
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Antibacterial textile finishes utilizing zinc acetate and hydrogen...
Patent number
4,172,841
Issue date
Oct 30, 1979
The United States of America as represented by the Secretary of Agriculture
Gary F. Danna
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Antibacterial textile finishes utilizing zirconyl acetate complexes...
Patent number
4,115,422
Issue date
Sep 19, 1978
The United States of America as represented by the Secretary of Agriculture
Clark M. Welch
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...