Patent US2897100A successfully refreshed from Google Patents.
US2897100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating polyethylene with haloethylene polymers and composite articles thereby obtained
Assignee: Dow Chemical Co
•
Filing: 1956-12-03
•
Granted: 1959-07-28
•
Expires: 1976-12-03
Abstract
No abstract record available.
Inventors
- 👤 Dallas G Grenley
- 👤 Harold J Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:51
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/06; C08J2427/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
METHOD FOR COATING A POLYETHYLENE ARTICLE WITH A HALOETHYLENE POLYMER RESIN WHICH COMPRISES APPLYING, AS A COATING COMPOSITION, A LAYER OF A LATEX EMULSION OF A HALOETHYLENE POLYMER RESIN IN WHICH THERE HAS BEEN INCORPORATED A MINOR PROPORTION OF A SURFACE ACTIVE POLYELECTROLYTE MATERIAL OVER THE POLYETHYLENE SURFACE, SAID SURFACE ACTIVE POLYELECTROYLTE MATERIAL CONTAINING PLURALITY OF IONIZABLE GROUPS IN ITS MOLECULE WHICH IS A WATERSOLUBLE NEUTRAL SODIUM SALT OF CONDENSED ARYLSULFONIC ACIDS IN A COATING COMPOSITION CONSISTING OF A LATEX EMULSION OF SAID HALOETHYLENE POLYMER RESIN; AND SUBSEQUENTLY DRYING THE APPLIED LATEX EMULSION OF THE HALOETHYLENE POLYMER RESIN TO EFFECT A SOLID DEPOSITION OF RESIN ON THE SURFACE OF THE POLYETHYLENE.
Claim 2
Dependent Claim
111 words
METHOD FOR COATING A POLYETHYLENE ARTICLE WITH A HALOETHYLENE POLYMER RESIN WHICH COMPRISES APPLYING, AS A COATING COMPOSITION, A LAYER OF A LATEX EMULSION OF A HALOETHYLENE POLYMER RESIN IN WHICH THERE HAS BEEN INCORPORATED A MINOR PROPORTION OF A SURFACE ACTIVE POLYELECTROLYTE MATERIAL OVER THE POLYETHYLENE SURFACE, SAID SURFACE ACTIVE POLYELECTROYLTE MATERIAL CONTAINING PLURALITY OF IONIZABLE GROUPS IN ITS MOLECULE WHICH IS A WATERSOLUBLE NEUTRAL SODIUM SALT OF CONDENSED ARYLSULFONIC ACIDS IN A COATING COMPOSITION CONSISTING OF A LATEX EMULSION OF SAID HALOETHYLENE POLYMER RESIN; AND SUBSEQUENTLY DRYING THE APPLIED LATEX EMULSION OF THE HALOETHYLENE POLYMER RESIN TO EFFECT A SOLID DEPOSITION OF RESIN ON THE SURFACE OF THE POLYETHYLENE.
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) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |