Patent US2550834A successfully refreshed from Google Patents.
US2550834A
Expired / Lapsed
US
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Aqueous polychloroprene adhesives and methods of preparing the same
Assignee: BB Chemical Co
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Filing: 1946-06-01
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Granted: 1951-05-01
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Expires: 1966-06-01
Abstract
No abstract record available.
Inventors
- 👤 Alexander D Macdonald
- 👤 Stanley L Sprague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:13
CPC Classifications
C; C09; C09J; C09J111/00; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN ADHESIVE COMPOSITION COMPRISING A BLEND OF POLYCHLOROPRENE LATEX AND AN AQUEOUS DISPERSION COMPRISING A CONTINUOUS PHASE OF AN AQUEOUS SOLUTION OF A COLLOIDAL DISPERSING AGENT FROM THE GROUP CONSISTING OF ALKALI CASEINATES AND ANIMAL GLUE, AND A DISPERSED PHASE COMPRISING THE PRODUCT OF DISSOLVING POLYCHLOROPRENE IN FROM AN EQUAL WEIGHT UP TO TWICE ITS WEIGHT OF A MOLTEN ACIDIC RESINOUS MATERIAL AT A TEMPERATURE NOT EXCEEDING 125* C., SAID RESINOUS MATERIAL HAVING AN ACID NUMBER OF BETWEEN 100 AND 170 AND HAVING A MELTING POINT BETWEEN 75* C. AND 100* C., THE VOLUME OF SAID DISPERSION IN THE BLEND NOT EXCEEDING THE VOLUME OF THE LATEX.
Claim 2
Dependent Claim
107 words
AN ADHESIVE COMPOSITION COMPRISING A BLEND OF POLYCHLOROPRENE LATEX AND AN AQUEOUS DISPERSION COMPRISING A CONTINUOUS PHASE OF AN AQUEOUS SOLUTION OF A COLLOIDAL DISPERSING AGENT FROM THE GROUP CONSISTING OF ALKALI CASEINATES AND ANIMAL GLUE, AND A DISPERSED PHASE COMPRISING THE PRODUCT OF DISSOLVING POLYCHLOROPRENE IN FROM AN EQUAL WEIGHT UP TO TWICE ITS WEIGHT OF A MOLTEN ACIDIC RESINOUS MATERIAL AT A TEMPERATURE NOT EXCEEDING 125* C., SAID RESINOUS MATERIAL HAVING AN ACID NUMBER OF BETWEEN 100 AND 170 AND HAVING A MELTING POINT BETWEEN 75* C. AND 100* C., THE VOLUME OF SAID DISPERSION IN THE BLEND NOT EXCEEDING THE VOLUME OF THE LATEX.
References Cited (Backward Citations)
US2382417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |