US2780579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and method for permanent waving of hair on the human head
Assignee: Turner Hall Corp
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Filing: 1953-07-23
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Granted: 1957-02-05
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Expires: 1973-07-23
Abstract
No abstract record available.
Inventors
- 👤 Milton H Schwarz
- 👤 Orgel Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:21
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/04; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/67; A61K8/676
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A SETTING COMPOSITION ADAPTED TO BE USED SUBSEQUENTITY TO A PREVIOUSLY APPLIED COMPOSITION FOR DISRUPTING DISULFIDE BONDS OF CYSTINE IN PERMANENTLY WAVING HAIR ON THE HUMAN AND AFTER SAID DISRUPTING COMPOSITION HAS BEEN SUBSTANTIALLY REMOVED: SAID SETTING COMPOSITION COMPRISING AN AQUEOUS CARRIER AND DEHYDROASCORBIC ACID AT A PH RANGE BETWEEN 2 AND 10, AND A CONCENTRATION BETWEEN 0.03 PERCENT AND 0.8 PERCENT BY WEIGHT, SAID SETTING COMPOSITION BEING FREE OF A DISULFIDE REDUCING AGENT.
Claim 2
Dependent Claim
74 words
A SETTING COMPOSITION ADAPTED TO BE USED SUBSEQUENTITY TO A PREVIOUSLY APPLIED COMPOSITION FOR DISRUPTING DISULFIDE BONDS OF CYSTINE IN PERMANENTLY WAVING HAIR ON THE HUMAN AND AFTER SAID DISRUPTING COMPOSITION HAS BEEN SUBSTANTIALLY REMOVED: SAID SETTING COMPOSITION COMPRISING AN AQUEOUS CARRIER AND DEHYDROASCORBIC ACID AT A PH RANGE BETWEEN 2 AND 10, AND A CONCENTRATION BETWEEN 0.03 PERCENT AND 0.8 PERCENT BY WEIGHT, SAID SETTING COMPOSITION BEING FREE OF A DISULFIDE REDUCING AGENT.
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) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |