Process for stiffening hats
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 4, 1996
Grant Date -
N/A
app pub date -
May 4, 1994
filing date -
May 4, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In the manufacture of hats, the shellac stiffening agent typically used for imparting extra stiffness to the final hat product is replaced with an aqueous acrylic or acrylic/styrene emulsion or dispersion having a pH of 4 to 7, the acrylic or methacrylic polymer or copolymer in the emulsion having an acid value of 80 to 120 mg KOH/gm and a glass transition temperature of 17.degree. to 35.degree. C.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully