Patent US5247608A successfully refreshed from Google Patents.
Patent US2938876A successfully refreshed from Google Patents.
US2938876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making reinforced rubber products and adhesives
Assignee: BB Chemical Co
•
Filing: 1957-05-03
•
Granted: 1960-05-31
•
Expires: 1977-05-03
Abstract
No abstract record available.
Inventors
- 👤 Edith J Morris
- 👤 Rossitto Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:19
CPC Classifications
C; C08; C08L; C08L21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
THE PROCESS OF MAKING A REINFORCED RUBBER PRODUCT COMPRISING REACTING IN VOLATILE ORGANIC SOLVENT SOLUTION A HEAT-ADVANCING OIL-SOLUBLE ALKALI CATALYZED CONDENSATE OF A MONOSUBSTITUTED PHENOL OF WHICH THE SUBSTITUENT IS A HYDROCARBON RADICAL FROM THE GROUP CONSISTING OF ARYL RADICALS AND SATURATED ALKYL RADICALS CONTAINING FROM THREE TO SIX CARBON ATOMS AND FORMALDEHYDE IN PROPORTION GREATER THAN ONE MOL AND AS HIGH AS TWO MOLS OF FORMALDEHYDE TO ONE MOL OF THE SUBSTITUTED PHENOL AND FORM 5% TO 60% BY WEIGHT OF POLYMERIZED ROSIN BASED ON THE WEIGHT OF SAID CONDENSATE WITH AN OXIDE OF A METAL FROM THE GROUP CONSISTING OF MAGNESIUM AND LEAD, THE PRODUCT OF REACTION BEING INFUSIBLE AND ORGANIC SOLVENT SOLUBLE AND CONTAINING COMBINED METAL TO THE EXTENT OF ABOUT 6% TO ABOUT 9% BY WEIGHT WHERE THE METAL OXIDE IS MAGNESIUM OXIDE AND ABOUT 25% TO ABOUT 30% BY WEIGHT WHERE THE METAL OXIDE IS LEAD OXIDE, THE WEIGHT OF COMBINED METAL BEING CALCULATED AS THE METAL OXIDE, AND COMBINING THE SAID REACTION PRODUCT WITH A VULCANIZABLE DIENE POLYMER RUBBER FROM THE GROUP CONSISTING OF POLYCHLOROPRENE, NATURAL RUBBER, COPOLYMERS OF BUTADIENE AND ARCYLONITRILE, COPOLYMERS OF 98% ISOBUTYLENE AND 2% DIOLEFIN AND COPOLYMERS OF BUTADIENE AND STYRENE, THE QUANTITY OF SAID REACTION PRODUCT BEING FROM ABOUT 5% TO ABOUT 100% BY WEIGHT BASED ON THE WEIGHT OF THE POLYMER RUBBER
Claim 2
Dependent Claim
224 words
THE PROCESS OF MAKING A REINFORCED RUBBER PRODUCT COMPRISING REACTING IN VOLATILE ORGANIC SOLVENT SOLUTION A HEAT-ADVANCING OIL-SOLUBLE ALKALI CATALYZED CONDENSATE OF A MONOSUBSTITUTED PHENOL OF WHICH THE SUBSTITUENT IS A HYDROCARBON RADICAL FROM THE GROUP CONSISTING OF ARYL RADICALS AND SATURATED ALKYL RADICALS CONTAINING FROM THREE TO SIX CARBON ATOMS AND FORMALDEHYDE IN PROPORTION GREATER THAN ONE MOL AND AS HIGH AS TWO MOLS OF FORMALDEHYDE TO ONE MOL OF THE SUBSTITUTED PHENOL AND FORM 5% TO 60% BY WEIGHT OF POLYMERIZED ROSIN BASED ON THE WEIGHT OF SAID CONDENSATE WITH AN OXIDE OF A METAL FROM THE GROUP CONSISTING OF MAGNESIUM AND LEAD, THE PRODUCT OF REACTION BEING INFUSIBLE AND ORGANIC SOLVENT SOLUBLE AND CONTAINING COMBINED METAL TO THE EXTENT OF ABOUT 6% TO ABOUT 9% BY WEIGHT WHERE THE METAL OXIDE IS MAGNESIUM OXIDE AND ABOUT 25% TO ABOUT 30% BY WEIGHT WHERE THE METAL OXIDE IS LEAD OXIDE, THE WEIGHT OF COMBINED METAL BEING CALCULATED AS THE METAL OXIDE, AND COMBINING THE SAID REACTION PRODUCT WITH A VULCANIZABLE DIENE POLYMER RUBBER FROM THE GROUP CONSISTING OF POLYCHLOROPRENE, NATURAL RUBBER, COPOLYMERS OF BUTADIENE AND ARCYLONITRILE, COPOLYMERS OF 98% ISOBUTYLENE AND 2% DIOLEFIN AND COPOLYMERS OF BUTADIENE AND STYRENE, THE QUANTITY OF SAID REACTION PRODUCT BEING FROM ABOUT 5% TO ABOUT 100% BY WEIGHT BASED ON THE WEIGHT OF THE POLYMER RUBBER
References Cited (Backward Citations)
CA457525A
Cited
US2110073A
Cited
US2308498A
Cited
US2363489A
Cited
GB612806A
Cited
US2476824A
Cited
GB684392A
Cited
US2726222A
Cited
US2572071A
Cited
US2708192A
Cited
US2730511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |