US3821371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pharmaceutical compositions containing microcrystalline collagen,a water-insoluble,ionizable,partial salt of collagen
Assignee: Avicon Inc
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Filing: 1972-07-24
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Granted: 1974-06-28
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Expires: 1992-07-24
Abstract
Abstract Pharmaceutical compositions which include in addition to the pharmaceutical ingredient or ingredients a water-insoluble, ionizable, partial salt of collagen or microcrystalline collagen. The conposition may be in the form of a pourable liquid, a gel or ointment or a solid compressed tablet. The microcrystalline collagen colloidally dispersed in the liquid improves the stability of suspended ingredients in liquids and gels.
Inventors
- 👤 O Battista
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:31
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/16; A61K38/17; A61K38/39; A61K47/00; A61K47/30; A61K47/42; C; C09; C09H; C09H1/00; C09H1/04; A61K2800/00; A61K2800/40; A61K2800/41; A61K2800/412
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
20 words
A composition of matter as defined in claim 1 wherein the partial salt of collagen is derived from bovine collagen.
Claim 2
Dependent Claim
22 words
A composition of matter as defined in claim 1 wherein the partial salt of collagen is a hydrogen chloride salt of collagen.
Claim 3
Dependent Claim
22 words
A composition of matter as defined in claim 1 wherein the partial salt of collagen is a citric acid salt of collagen.
Claim 4
Dependent Claim
18 words
A composition of matter as defined in claim 1 wherein the composition is in a pourable liquid form.
Claim 5
Dependent Claim
16 words
A composition of matter as defined in claim 1 wherein the composition is in gel form.
Claim 6
Dependent Claim
18 words
A composition of matter as defined in claim 1 wherein the composition includes water and an oleaginous material.
Claim 7
Dependent Claim
14 words
A composition of matter as defined in claim 5 wherein the composition includes calamine.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |