← Back to Patent Explorer
US3039934A Expired / Lapsed US ⏱️ 0.0 years remaining

Hair waving composition

Assignee: Rayette Inc
•
Filing: 1956-12-10
•
Granted: 1962-06-19
•
Expires: 1976-12-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ross C Whitman
  • 👤 Milton G Eckstrom

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 09:44
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/04; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 71 words
AN AQUEOUS HAIR WAVING LOTION COMPRISING A PLURALITY OF DIFFERENT MONOETHANOL AMINE SALTS, ONE OF THE SALTS BEING THE SALT OF THIOGLYCOLIC ACID IN CONCENTRATION OF FROM 0.4 TO 1.2 NORMAL AND THE OTHER MONOETHANOL AMINE SALT BEING IN CONCENTRATION OF FROM 0.1 TO 0.6 NORMAL, FROM 0.2 TO 0.6 NORMAL FREE MONOETHANOL AMINE, AND FROM 1 TO 10 GRAMS OF A LOWER ALIPHATIC POLYHYDRIC ALCOHOL PER 100 ML. OF SOLUTION.

References Cited (Backward Citations)

US2351718A Cited
US2350178A Cited
GB552286A Cited
US2447860A Cited
US2540494A Cited
NL75921C Cited
US2717228A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-06-18 1965-12-18 1966-06-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-06-18 1969-12-18 1970-06-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-06-18 1973-12-18 1974-06-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag