US3236733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of combatting dandruff with pyridinethiones metal salts detergent compositions
Assignee: Procter and Gamble Co
•
Filing: 1965-04-01
•
Granted: 1966-02-22
•
Expires: 1985-04-01
Abstract
No abstract record available.
Inventors
- 👤 Kenneth S Karsten
- 👤 Wilbur S Taylor
- 👤 John J Parran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:28
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/02; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4906; A61K8/4933; A61Q5/006; C; C11; C11D; C11D3/00; C11D3/48; Y; Y10; Y10S; Y10S424/00; Y10S424/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A METHOD FOR CONBATING DANDRUFF COMPRISING THE STEP OF APPLYING TO THE HAIR AND SCALP OF HUMANS A DETERGENT COMPOSITION COMPRISING AN AMOUNT OF ZINC PYRIDINETHIONE SUFFICIENT TO PROVIDE EFFECTIVE ANTI-DANDRUFF CONTROL.
Claim 2
Independent Claim
32 words
A METHOD FOR CONBATING DANDRUFF COMPRISING THE STEP OF APPLYING TO THE HAIR AND SCALP OF HUMANS A DETERGENT COMPOSITION COMPRISING AN AMOUNT OF ZINC PYRIDINETHIONE SUFFICIENT TO PROVIDE EFFECTIVE ANTI-DANDRUFF CONTROL.
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |