US3118060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of finish on fibrous material by the use of a fluorescing substance
Assignee: Akzo Nobel UK PLC
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Filing: 1959-10-16
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Granted: 1964-01-14
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Expires: 1979-10-16
Abstract
No abstract record available.
Inventors
- 👤 Klein Elias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:14
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/62; G01N21/63; G01N21/64; D; D06; D06L; D06L4/00; D06L4/60; D06L4/657; D06M; D06M23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A PROCESS WHEREIN A FINISH IS APPLIED TO FIBROUS MATERIAL, A METHOD FOR DETERMINING THE AMOUNT OF FINISH WHICH HAS BEEN APPLIED TO THE MATERIAL WHICH COMPRISES ADDING TO THE FINISH, PRIOR TO THE APPLICATION OF SAID FINISH TO SAID FIBROUS MATERIAL, A PREDETERMINED PROPORTION OF A FLUORESCENT SUBSTANCE, MISCIBLE WITH SAID FINISH BUT NOT SUBSTANTIVE TO SAID FIBROUS MATERIAL, APPLYING SAID FINISH TO SAID MATERIAL, IRRADIATING SAID MATERIAL TO WHICH SAID FINISH CONTAINING SAID FLUORESCENT SUBSTANCE HAS BEEN APPLIED WITH RADIATION CAPABLE OF ACTUATING SAID FLUORESCENT SUBSTANCE, AND MEASURING THE INTENSITY OF THE FLUORESCENCE.
Claim 2
Dependent Claim
96 words
IN A PROCESS WHEREIN A FINISH IS APPLIED TO FIBROUS MATERIAL, A METHOD FOR DETERMINING THE AMOUNT OF FINISH WHICH HAS BEEN APPLIED TO THE MATERIAL WHICH COMPRISES ADDING TO THE FINISH, PRIOR TO THE APPLICATION OF SAID FINISH TO SAID FIBROUS MATERIAL, A PREDETERMINED PROPORTION OF A FLUORESCENT SUBSTANCE, MISCIBLE WITH SAID FINISH BUT NOT SUBSTANTIVE TO SAID FIBROUS MATERIAL, APPLYING SAID FINISH TO SAID MATERIAL, IRRADIATING SAID MATERIAL TO WHICH SAID FINISH CONTAINING SAID FLUORESCENT SUBSTANCE HAS BEEN APPLIED WITH RADIATION CAPABLE OF ACTUATING SAID FLUORESCENT SUBSTANCE, AND MEASURING THE INTENSITY OF THE FLUORESCENCE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |