Patent WO1998001086A1 successfully refreshed from Google Patents.
US2852413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating rubbery materials
Assignee: Bayer AG
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Filing: 1955-06-16
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Granted: 1958-09-16
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Expires: 1975-06-16
Abstract
No abstract record available.
Inventors
- 👤 Tischbein Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:03
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/042; C08J7/043; C08J2321/00; C08J2467/00; C08J2467/02; C08J2475/00; C08J2475/04; C08J2475/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31554; Y10T428/31569; Y10T428/31786; Y10T428/31826; Y10T428/3183; Y10T428/31833
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PROCESS FOR COATING RUBBER ARTICLES, WHICH COMPRISES COATING SAID ARTICLES WITH A SOLUTION OF A MIXTURE COMPRISING FROM ABOUT 75 TO ABOUT 90 PERCENT OF A RUBBER, FROM ABOUT 10 TO ABOUT 25 PERCENT OF A XYLENEFORMALDEHYDE RESIN, AND FROM ABOUT 5 TO ABOUT 15 PERCENT OF A SOLUTION CONTAINING ABOUT 20% OF A POLYISOCYANATE, DRYING SAID COATING, AND APPLYING TO SAID DRIED COATING ANOTHER COATING COMPRISING A PASTE CONTAINING FROM ABOUT 20 TO ABOUT 40 PERCENT OF A PIGMENT, FROM ABOUT 60 TO ABOUT 40 PERCENT OF A PIGMENT, FROM MODIFIED HYDROXYL POLYESTER AND FROM ABOUT 5 TO ABOUT 25 PERCENT OF POLYISOCYANATE FOR EFFECTING CROSS-LINKING OF SAID POLYESTER.
Claim 2
Dependent Claim
111 words
A PROCESS FOR COATING RUBBER ARTICLES, WHICH COMPRISES COATING SAID ARTICLES WITH A SOLUTION OF A MIXTURE COMPRISING FROM ABOUT 75 TO ABOUT 90 PERCENT OF A RUBBER, FROM ABOUT 10 TO ABOUT 25 PERCENT OF A XYLENEFORMALDEHYDE RESIN, AND FROM ABOUT 5 TO ABOUT 15 PERCENT OF A SOLUTION CONTAINING ABOUT 20% OF A POLYISOCYANATE, DRYING SAID COATING, AND APPLYING TO SAID DRIED COATING ANOTHER COATING COMPRISING A PASTE CONTAINING FROM ABOUT 20 TO ABOUT 40 PERCENT OF A PIGMENT, FROM ABOUT 60 TO ABOUT 40 PERCENT OF A PIGMENT, FROM MODIFIED HYDROXYL POLYESTER AND FROM ABOUT 5 TO ABOUT 25 PERCENT OF POLYISOCYANATE FOR EFFECTING CROSS-LINKING OF SAID POLYESTER.
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) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |