US3972997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel cosmetics containing pullulan
Assignee: Hayashibara Seibutsu Kagaku Kenkyujo KK
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Filing: 1974-10-03
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Granted: 1976-08-03
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Expires: 1994-10-03
Abstract
Abstract A cosmetic can be improved and enhanced in its effect when incorporated with pullulan, which is a linear high polymer having repetition units, bonded through alpha -1,6-linkages, of maltotriose, a trimer of glucose, and is represented by the formula, WHEREIN N REPRESENTS THE POLYMERIZATION DEGREE AND IS AN INTEGER OF 10 TO 10,000.
Inventors
- 👤 Seizo Nakashio
- 👤 Kozo Tsuji
- 👤 Nobuhiro Toyota
- 👤 Fumio Fujita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:30
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/0212; A61K8/18; A61K8/72; A61K8/73; A61Q; A61Q1/00; A61Q1/02; A61Q1/04; A61Q1/06; A61Q1/12; A61Q11/00; A61Q19/00; A61Q5/00; A61Q5/02; A61Q5/06; C; C12; C12P; C12P19/00; C12P19/04; C12P19/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
58 words
A cosmetic containing pullulan having a molecular weight of 5,000 to 5,000,000 as an ingredient of cosmetic lotions, cosmetic powders, rouges, cosmetics for use around the eyes, facial packs, shampoos, set lotions, hair lacquers and tooth paste, the content of said pullulan being 0.01 to 99 parts by weight per 100 parts by weight of the total cosmetic.
Claim 2
Dependent Claim
58 words
A cosmetic containing pullulan having a molecular weight of 5,000 to 5,000,000 as an ingredient of cosmetic lotions, cosmetic powders, rouges, cosmetics for use around the eyes, facial packs, shampoos, set lotions, hair lacquers and tooth paste, the content of said pullulan being 0.01 to 99 parts by weight per 100 parts by weight of the total cosmetic.
Claim 3
Dependent Claim
17 words
A cosmetic according to claim 1, wherein the pullulan has a molecular weight of 10,000 to 800,000.
References Cited (Backward Citations)
US3827937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-03 | 1980-02-02 | 1980-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-03 | 1984-02-02 | 1984-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-03 | 1988-02-02 | 1988-08-03 | $7700.00 | Window Closed / Lapsed |