← Back to Patent Explorer
US3567678A Expired / Lapsed US ⏱️ 0.0 years remaining

Polymers and hair coloring and compositions comprising the same

Assignee: L'Oréal SA
•
Filing: 1967-04-10
•
Granted: 1971-03-02
•
Expires: 1987-04-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract WATER SOLUBLE COLORED POLYMERS WHICH HAVE DYE GROUPS ATTACHED TO THE POLYMER CHAIN BY AMIDE BONDS AND SOLUBILIZING GROUPS FOR COLORING HAIR.

Inventors

  • 👤 Gregoire Kalopissis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 23:21
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61Q5/065; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/35; A61K8/355; A61K8/40; A61K8/41; A61K8/418; A61K8/49; A61K8/4906; A61K8/4926; A61K8/72; A61K8/81; A61K8/8141; A61K8/8152; C; C08; C08F; C08F22/00; C08F22/36; C08F8/00; C08F8/30; C08F8/32; C08F8/44; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/26; C09B1/28; C09B1/285; C09B69/00; C09B69/10; D; D06; D06P; D06P1/00; D06P1/44; D06P1/52; D06P1/5207; D06P1/525; D06P1/5257; A61K2800/00; A61K2800/40; A61K2800/57; Y; Y10; Y10S; Y10S424/00; Y10S424/01

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-03-01 1974-08-31 1975-03-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-01 1978-08-31 1979-03-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-01 1982-08-31 1983-03-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag