US3837349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair waving products and process
Assignee: Avon Products Inc
•
Filing: 1971-03-04
•
Granted: 1974-09-24
•
Expires: 1991-03-04
Abstract
Abstract This invention relates to hair waving products comprising a film formed of a water-soluble film-former and containing a composition capable of waving hair and of being released from the film when water is applied thereto, and to the process of treating hair using such products.
Inventors
- 👤 J Jedzinak
- 👤 R Zukoski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:24
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/04; A61K; A61K8/00; A61K8/02; A61K8/0208; A61K8/18; A61K8/30; A61K8/46; A61K8/72; A61K8/73; A61K8/731; Y; Y10; Y10S; Y10S424/00; Y10S424/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
24 words
The product of claim 1 wherein said film is a water soluble cellulose ether and said composition is a hair-waving salt of thioglycollic acid.
Claim 2
Dependent Claim
20 words
The product of claim 2 wherein said cellulose ether is sodium carboxy methyl cellulose and said salt is ammonium thioglycollate.
Claim 3
Dependent Claim
25 words
The product of claim 3 including a cosmetically acceptable base material added in amount to adjust the pH thereof to from about 9 to 9.5.
Claim 4
Dependent Claim
65 words
The method of hair waving comprising rolling the film product of claim 1 into the hair to form the curl shape desired, applying water to the combined curl film and hair in amounts sufficient to dissolve the film and to deposit the composition on the hair and rinsing the hair after sufficient hair-waving treatment time to remove the spent hair-waving composition and residual film therefrom.
Claim 5
Dependent Claim
34 words
The method of claim 5 including the step of first adding a base to the water to adjust the pH of the water to that required for satisfactory waving action by the hair-waving composition.
Claim 6
Dependent Claim
36 words
The method of waving hair comprising applying the film product of claim 3 to the hair and then adding sufficient water thereto to dissolve the film and deposit the ammonium thioglycollate to act on the hair.
Claim 7
Dependent Claim
36 words
The method of hair waving comprising applying the film product of claim 4 to the hair and then adding sufficient water thereto to dissolve the film and deposit pH adjusted ammonium thioglycollate to wave the hair.
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) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |