US2666013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pruritus therapy
Assignee: Individual
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Filing: 1950-08-25
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Granted: 1954-01-12
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Expires: 1970-08-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Edgar A Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:03
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/01; A61K38/012; A61K38/018; A61K47/00; A61K47/06; A61K47/08; A61K47/10; A61K9/00; A61K9/0012; A61K9/0014
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
A NEW THERAPEUTIC COMPOSITION USEFUL IN LOCAL TOPICAL TREATMENT OF PRURITUS ANI WHICH COMPRISES A TOPICAL VEHICLE AND LACTALBUMIN WHICH HAS BEEN SUBJECTED TO SUBSTANTIAL HYDROLYSIS TO YIELD A HYDROLYSATE INITIALLY CONTAINING ORGANIZED PROTEIN AND THERAPEUTICALLY EFFECTIVE AMOUNTS OF A PLURALITY OF FREE, SIMPLY AMINO ACIDS, INCLUDING TRYPTOPHANE, PHENYLALANINE, LEUCINE AND VALINE, SPECIFIC IN THEIR LOCAL TOPICAL APPLICATION TO ALLEVIATE PRURITUS SYMPTOMS, ADMIXED WITH SKIN-IRRITATING AMOUNTS OF METHIONINE, HISTIDINE AND CYSTINE, SAID HYDROLYSATE BEING, SUBSEQUENTLY HEAT-MODIFIED TO DECREASE THE INITIAL ORGANIZED PROTEIN CONTENT TO LESS THAN 1%, AND REDUCE SAID METHIONINE CONTENT TO THE ORDER OF 0.4% TO 0.8%, THE HISTIDINE CONTENT TO BELOW 1% AND THE CYSTINE CONTENT TO BELOW 2%.
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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |