US3087502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
End wrap impregnated with hydrolyzed polyacrylic resins
Assignee: Individual
•
Filing: 1960-05-05
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Granted: 1963-04-30
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Expires: 1980-05-05
Abstract
No abstract record available.
Inventors
- 👤 Philip F Rosmarin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:06
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/02; A61K8/0208; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8152; Y; Y10; Y10S; Y10S424/00; Y10S424/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A SUBSTANTIALLY DRY HAIR CURLING END WRAP FOR SETTING AND LUSTERIZING HUMAN HAIR COMPRISING A POROUS FABRIC IMPREGNATED WITH A POLYMER OF THE ACRYLIC ACID ESTER SERIES WHICH CONTAINS CARBOXYL GROUPS AND CARBOXYL GROUPS ESTERIFIED WITH AN ALIPHATIC ALCOHOL HAVING AT MOST SIX CARBON ATOMS, AND OF WHICH THE ALKALI AND TRIETHANOLAMINE SALTS ARE SOLUBLE IN WATER AND IN A WATER-SOLUBLE ALIPHATIC ALCOHOL OF LOW MOLECULAR WEIGHT, WHICH POLYMER IS PRODUCED BY POLYMERIZING AT LEAST ONE ESTER OF AN ACRYLIC ACID WITH AN ALIPHATIC ALCOHOL HAVING AT MOST SIX CARBON ATOMS IN SOLUTION IN A WATER-SOLUBLE ALIPHATIC ALCOHOL OF LOW MOLECULAR WEIGHT, AND HYDROLYZING SUBSEQUENTLY IN THE RESULTING POLYMER SOLUTION A SUFFICIENT PROPORTION OF THE ESTER GROUPS TO RENDER THE ALKALI AND TRIETHANOLAMINE SALTS OF THE POLYMER SOLUBLE IN WATER.
Claim 2
Dependent Claim
130 words
A SUBSTANTIALLY DRY HAIR CURLING END WRAP FOR SETTING AND LUSTERIZING HUMAN HAIR COMPRISING A POROUS FABRIC IMPREGNATED WITH A POLYMER OF THE ACRYLIC ACID ESTER SERIES WHICH CONTAINS CARBOXYL GROUPS AND CARBOXYL GROUPS ESTERIFIED WITH AN ALIPHATIC ALCOHOL HAVING AT MOST SIX CARBON ATOMS, AND OF WHICH THE ALKALI AND TRIETHANOLAMINE SALTS ARE SOLUBLE IN WATER AND IN A WATER-SOLUBLE ALIPHATIC ALCOHOL OF LOW MOLECULAR WEIGHT, WHICH POLYMER IS PRODUCED BY POLYMERIZING AT LEAST ONE ESTER OF AN ACRYLIC ACID WITH AN ALIPHATIC ALCOHOL HAVING AT MOST SIX CARBON ATOMS IN SOLUTION IN A WATER-SOLUBLE ALIPHATIC ALCOHOL OF LOW MOLECULAR WEIGHT, AND HYDROLYZING SUBSEQUENTLY IN THE RESULTING POLYMER SOLUTION A SUFFICIENT PROPORTION OF THE ESTER GROUPS TO RENDER THE ALKALI AND TRIETHANOLAMINE SALTS OF THE POLYMER SOLUBLE IN WATER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |