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Patent US4419288A successfully refreshed from Google Patents.
US4419288A
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Elastin hydrolyzate
Assignee: Seton Co
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Filing: 1982-08-23
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Granted: 1983-12-06
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Expires: 2002-08-23
Abstract
Abstract A soluble elastin partial hydrolyzate is comprised of polypeptides having at least 3.5 desmosine and isodesmosine residues/1,000 amino acid residues.
Inventors
- 👤 Gheorghe Cioca
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:26
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/10; A23J3/00; A23J3/30; A23J3/32; A23J3/34; A23J3/341; A23J3/342
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
18 words
A soluble elastin partial hydrolyzate comprised of polypeptides having from 3 to 4 desmosine and isodesmosine residues/1,000 residues.
Claim 2
Dependent Claim
18 words
A soluble elastin partial hydrolyzate comprised of polypeptides having from 3 to 4 desmosine and isodesmosine residues/1,000 residues.
Claim 3
Dependent Claim
19 words
The elastin partial hydrolyzate of claim 1 wherein the polypeptides have a molecular weight range of 500 to 20,000.
Claim 4
Dependent Claim
16 words
The elastin partial hydrolyzate of claim 1 having an average molecular weight of 8,000 to 15,000.
References Cited (Backward Citations)
US4363760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-12-05 | 1987-06-06 | 1987-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-12-05 | 1991-06-06 | 1991-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-12-05 | 1995-06-06 | 1995-12-06 | $7700.00 | Window Closed / Lapsed |