US3231472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of increasing water-absorbing ability of human skin and composition therefor
Assignee: Port Jervis Laboratories Inc
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Filing: 1961-03-10
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Granted: 1966-01-25
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 Jacobi Otto Karl
- 👤 Engelmann Bernhard-Jurgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:29
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/02; C07H15/12; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/60; A61Q; A61Q19/00; A61Q1/00; A61Q1/02; A61Q1/04; A61Q1/06; A61Q17/00; A61Q17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A SYNTHETIC MOISTURIZING MATERIAL TO BE INCORPORATED WITH A TOPICAL BASE, CONSISTING ESSENTIALLY OF 0.1% TO 90.0% OF ASPARTIC ACID, AND THE BALANCE A STABLE PRODUCT SELECTED FROM THE GROUP CONSISTING OF AN AMADORI REARRANGEMENT PRODUCT AND A HEYNE REARRANGEMENT PRODUCT, SAID PRODUCT BEING PRODUCED BY CONDENSING AN AMINO ACID WITH A REDUCING SUGAR TO PROVIDE A N-GLYCOSIDE AND THEREAFTER CONTACTING SAID N-GLYCOSIDE WITH A PROTON DONOR TO PROVIDE THE STABLE PRODUCT.
Claim 2
Dependent Claim
72 words
A SYNTHETIC MOISTURIZING MATERIAL TO BE INCORPORATED WITH A TOPICAL BASE, CONSISTING ESSENTIALLY OF 0.1% TO 90.0% OF ASPARTIC ACID, AND THE BALANCE A STABLE PRODUCT SELECTED FROM THE GROUP CONSISTING OF AN AMADORI REARRANGEMENT PRODUCT AND A HEYNE REARRANGEMENT PRODUCT, SAID PRODUCT BEING PRODUCED BY CONDENSING AN AMINO ACID WITH A REDUCING SUGAR TO PROVIDE A N-GLYCOSIDE AND THEREAFTER CONTACTING SAID N-GLYCOSIDE WITH A PROTON DONOR TO PROVIDE THE STABLE PRODUCT.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |