Patent US3243346A successfully refreshed from Google Patents.
US3243346A
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Thiazolidine-4-carboxylic acid and its esters in a hair compositions method
Assignee: Aschaffenburger Zellstoffwerke AG
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Filing: 1961-11-28
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Granted: 1966-03-29
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Expires: 1981-11-28
Abstract
No abstract record available.
Inventors
- 👤 Bechmann Gunther
- 👤 Lukesch Heinz
- 👤 Rambacher Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:38
CPC Classifications
A; A61; A61Q; A61Q5/00; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A METHOD OF TREATING HAIR COMPRISING TOPICALLY APPLYING THERETO AN EFFECTIVE AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF L-THIAZOLIDINE-4-CARBOXYLIC ACID, L-THIAZOLIDINE-4-OXYMETHYL, L-THIAZOLIDINE-4-CARBOXYMETHYL ESTER, L-THIAZOLIDINE-4-CARBOXYETHYL ESTER, LTHIAZOLIDINE-4-CARBOXY-CETYL ESTER, L-THIAZOLIDINE-4-CARBOXYPHANTHENOL ESTER, SODIUM SALT OF I-THIAZOLIDINE4-CARBOXYLIC ACID, AMMONIUM SALT OF L-THIAZOLIDINE-4-CARBOXYLIC ACID, C4H6NS$N(C2H5OH)3 AND C4H6NS$C4H9NO.
Claim 2
Independent Claim
45 words
A METHOD OF TREATING HAIR COMPRISING TOPICALLY APPLYING THERETO AN EFFECTIVE AMOUNT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF L-THIAZOLIDINE-4-CARBOXYLIC ACID, L-THIAZOLIDINE-4-OXYMETHYL, L-THIAZOLIDINE-4-CARBOXYMETHYL ESTER, L-THIAZOLIDINE-4-CARBOXYETHYL ESTER, LTHIAZOLIDINE-4-CARBOXY-CETYL ESTER, L-THIAZOLIDINE-4-CARBOXYPHANTHENOL ESTER, SODIUM SALT OF I-THIAZOLIDINE4-CARBOXYLIC ACID, AMMONIUM SALT OF L-THIAZOLIDINE-4-CARBOXYLIC ACID, C4H6NS$N(C2H5OH)3 AND C4H6NS$C4H9NO.
References Cited (Backward Citations)
GB608925A
Cited
US2563034A
Cited
US2678929A
Cited
GB759199A
Cited
US2928772A
Cited
DE1037462B
Cited
US2960442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |