US3098693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of protein and peptide materials to form amide linkages
Assignee: Arthur D Little Inc
•
Filing: 1960-05-27
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Granted: 1963-07-23
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Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 John C Sheehan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:07
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/32; A61L15/42; A61L15/425; A61Q; A61Q5/00; A61Q5/04; C; C07; C07K; C07K1/00; C07K1/10; C07K5/00; C07K5/04; C07K5/06; C07K5/06008; C07K5/06017; C07K5/0606; C07K5/06139; C07K5/08; C07K5/0802; C07K5/0804; C07K5/081; D; D06; D06M; D06M13/00; D06M13/322; D06M13/395
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
THE METHOD OF IMPROVING THE SHRINK AND CREASE RESISTANCE OF A FABRIC COMPOSED OF FIBERS CONSISTING ESSENTIALLY OF A PROTEINACEOUS SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF WOOL AND SILK WHICH COMPRISES IMMERSING SAID FABRIC IN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE ORGANIC MONOCARBODIIMIDE HAVING THE FORMULA:
Claim 2
Independent Claim
47 words
THE METHOD OF IMPROVING THE SHRINK AND CREASE RESISTANCE OF A FABRIC COMPOSED OF FIBERS CONSISTING ESSENTIALLY OF A PROTEINACEOUS SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF WOOL AND SILK WHICH COMPRISES IMMERSING SAID FABRIC IN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE ORGANIC MONOCARBODIIMIDE HAVING THE FORMULA:
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US2846353A
Cited
US2938892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |