US3078138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shrinkproofing wool with polyamides
Assignee: Individual
•
Filing: 1961-03-27
•
Granted: 1963-02-19
•
Expires: 1981-03-27
Abstract
No abstract record available.
Inventors
- 👤 Lowell A Miller
- 👤 Robert E Whitfield
- 👤 William L Wasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:44
CPC Classifications
D; D06; D06M; D06M16/00; D06M16/006; C; C08; C08G; C08G69/00; C08G69/02; C08G69/26; C08L; C08L67/00; C08L69/00; D06M15/00; D06M15/19; D06M15/37; D06M15/507; D06M15/564; D06M15/59; Y; Y10; Y10S; Y10S8/00; Y10S8/18; Y10S8/916; Y10S8/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR TREATING A FIBROUS MATERIAL WHICH COMPRISES SERIALLY DEPOSITING ON SAID FIBROUS MATERIAL IN SUPERPOSED PHASED IN INTERFACIAL RELATIONSHIP A PAIR OF COMPLEMENTARY, DIRECT-ACTING, ORGANIC, POLYAMIDE-FORMIING INTERMEDIATES, AT LEAST ONE OF SAID PHASED BEING LIQUID, THE SAID INTERMEDIATES DIRECTLY REACTING UNDER SAID CONDITIONS TO FORM A POLYAMIDE IN SITU ON SAID MATERIAL.
Claim 2
Dependent Claim
54 words
A PROCESS FOR TREATING A FIBROUS MATERIAL WHICH COMPRISES SERIALLY DEPOSITING ON SAID FIBROUS MATERIAL IN SUPERPOSED PHASED IN INTERFACIAL RELATIONSHIP A PAIR OF COMPLEMENTARY, DIRECT-ACTING, ORGANIC, POLYAMIDE-FORMIING INTERMEDIATES, AT LEAST ONE OF SAID PHASED BEING LIQUID, THE SAID INTERMEDIATES DIRECTLY REACTING UNDER SAID CONDITIONS TO FORM A POLYAMIDE IN SITU ON SAID MATERIAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |