Patent US2869971A successfully refreshed from Google Patents.
US2869971A
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Shrinkproofing textiles with volatile polyamines and epoxides
Assignee: Individual
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Filing: 1958-05-12
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Granted: 1959-01-20
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Expires: 1978-05-12
Abstract
No abstract record available.
Inventors
- 👤 Thompson J Coe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:28
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
THE METHOD OF SHRINKPROOFING A TEXTILE WITHOUT SIGNIFICANT IMPAIRMENT OF ITS HAND WHICH COMPRISES SERIALLY EXPOSING THE TEXTILE TO A FIRST AGENT IN THE VAPOR PHASE AND THEN TO A SECOND AGENT IN THE VAPOR PHASE, TO DEPOSIT ON THE TEXTILE A TOTAL OF ABOUT FROM 0.5 TO 10% OF SAID AGENTS, BASED ON THE WEIGHT OF THE TEXTILE, ONE OF SAID AGENTS BEING A VOLATILE POLYEPOXIDE CONTAINING TWO EPOXY GROUPS PER MOLECULE, THE OTHER AGENT BEING A VOLATILE ALIPHATIC POLYAMINE CONTAINING AT LEAST TWO AMINO GROUPS PER MOLECULE.
Claim 2
Independent Claim
89 words
THE METHOD OF SHRINKPROOFING A TEXTILE WITHOUT SIGNIFICANT IMPAIRMENT OF ITS HAND WHICH COMPRISES SERIALLY EXPOSING THE TEXTILE TO A FIRST AGENT IN THE VAPOR PHASE AND THEN TO A SECOND AGENT IN THE VAPOR PHASE, TO DEPOSIT ON THE TEXTILE A TOTAL OF ABOUT FROM 0.5 TO 10% OF SAID AGENTS, BASED ON THE WEIGHT OF THE TEXTILE, ONE OF SAID AGENTS BEING A VOLATILE POLYEPOXIDE CONTAINING TWO EPOXY GROUPS PER MOLECULE, THE OTHER AGENT BEING A VOLATILE ALIPHATIC POLYAMINE CONTAINING AT LEAST TWO AMINO GROUPS PER MOLECULE.
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |