US3076723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating weight determination by means of ultraviolet light
Assignee: EIDP Inc
•
Filing: 1958-05-26
•
Granted: 1963-02-05
•
Expires: 1978-05-26
Abstract
No abstract record available.
Inventors
- 👤 Covington Edward Royals
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:52
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/31; G01N21/33; B; B29; B29D; B29D7/00; B29D7/01; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; D; D06; D06B; D06B23/00; D06B23/24; C08J2427/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A METHOD FOR MEASURING THE WEIGHT OF COATING ON A BASE FILM WHICH COMPRISES UNIFORMLY COATING A BASE FILM SELECTED FROM THE GROUP CONSISTING OR REGENERATED CELLULOSE, POLYVINYL CHLORIDE, POLYETHYLENE, VINYLIDENE CHLORIDE COPOLYMER, POLYVINYL FLUORIDE AND ALKYL ACRYLATE POLYMERS WITH A DISPERSION OF A VINYLIDENE CHLORIDE POLYMER DISPERSED IN WATER WITH A DISPERSING AGENT FOR SAID VINYLIDENE CHLORIDE POLYMER, SAID DISPERSION CONTAINING A MEASURED AMOUNT OF AT LEAST ONE DISPERSING COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND AMMONIUM SALTS OF SULFONIC ACID OR AROMATIC COMPOUNDS AND ALAKLI METAL AND AMMONIUM SALTS OF SULFONIC ACIDS OF
Claim 2
Independent Claim
98 words
A METHOD FOR MEASURING THE WEIGHT OF COATING ON A BASE FILM WHICH COMPRISES UNIFORMLY COATING A BASE FILM SELECTED FROM THE GROUP CONSISTING OR REGENERATED CELLULOSE, POLYVINYL CHLORIDE, POLYETHYLENE, VINYLIDENE CHLORIDE COPOLYMER, POLYVINYL FLUORIDE AND ALKYL ACRYLATE POLYMERS WITH A DISPERSION OF A VINYLIDENE CHLORIDE POLYMER DISPERSED IN WATER WITH A DISPERSING AGENT FOR SAID VINYLIDENE CHLORIDE POLYMER, SAID DISPERSION CONTAINING A MEASURED AMOUNT OF AT LEAST ONE DISPERSING COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND AMMONIUM SALTS OF SULFONIC ACID OR AROMATIC COMPOUNDS AND ALAKLI METAL AND AMMONIUM SALTS OF SULFONIC ACIDS OF
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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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |