US2767152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasket composition, including both hydrocarbon soluble and insoluble rubbers
Assignee: Primerica Inc
•
Filing: 1953-04-10
•
Granted: 1956-10-16
•
Expires: 1973-04-10
Abstract
No abstract record available.
Inventors
- 👤 Clarence R Bierman
- 👤 Raymond E Mietz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:21
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/10; C08; C08L; C08L21/00; C09K2200/00; C09K2200/06; C09K2200/0607; C09K2200/0612; C09K2200/0687; Y; Y10; Y10S; Y10S525/00; Y10S525/942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A GASKET COMPOSITION FOR SEALING END CLOSURES ONTO A METAL CAN BODY, COMPOSITION A HYDROCARBON SOLVENT INSOLUBLE RUBBER SELECTED FROM THE GROUP CONSISTING OF A BUTADIENE-ACRYLONITRILE COPOLYMER, AND POLYCHLOROPRENE, AN ACRYLIC ACID ESTER-ACRYLONITRILE COPOLYMER, AND AN ACRYLIC ACID ESTER-CHLOROETHYL VINYL ETHER COPOLYMER, FROM 2 TO 5 PARTS BY WEIGHT PER PART OF SAID INSOLUBLE RUBBER OF A HYDROCARBON SOLVENT SOLUBLE BUTADIENE-STYRENE ELASTOMER, FROM 1.5 TO 7.5 PARTS BY WEIGHT PER PART OF SAID INSOLUBLE RUBBER OF A TACKIFYING RESIN SELECTED FROM THE GROUP CONSISTING OF A ROSIN, AN ESTER GUM, A ZINC RESINATE, AN ALUMINUM RESINATE, A PINENE POLYMER, A COUMARONEINDENE POLYMER, A PHENOL-ALDEHYDE POLYMER, A PHENOLCASHEW NUT SHELL OIL POLYMER, AND AN ALDEHYDE-CASHEW NUT SHELL OIL POLYMER, THE SAID THREE MENTIONED POLYMERS BEING UTILIZED IN AN ORGANIC SOLVENT SOLUBLE STATE.
Claim 2
Dependent Claim
131 words
A GASKET COMPOSITION FOR SEALING END CLOSURES ONTO A METAL CAN BODY, COMPOSITION A HYDROCARBON SOLVENT INSOLUBLE RUBBER SELECTED FROM THE GROUP CONSISTING OF A BUTADIENE-ACRYLONITRILE COPOLYMER, AND POLYCHLOROPRENE, AN ACRYLIC ACID ESTER-ACRYLONITRILE COPOLYMER, AND AN ACRYLIC ACID ESTER-CHLOROETHYL VINYL ETHER COPOLYMER, FROM 2 TO 5 PARTS BY WEIGHT PER PART OF SAID INSOLUBLE RUBBER OF A HYDROCARBON SOLVENT SOLUBLE BUTADIENE-STYRENE ELASTOMER, FROM 1.5 TO 7.5 PARTS BY WEIGHT PER PART OF SAID INSOLUBLE RUBBER OF A TACKIFYING RESIN SELECTED FROM THE GROUP CONSISTING OF A ROSIN, AN ESTER GUM, A ZINC RESINATE, AN ALUMINUM RESINATE, A PINENE POLYMER, A COUMARONEINDENE POLYMER, A PHENOL-ALDEHYDE POLYMER, A PHENOLCASHEW NUT SHELL OIL POLYMER, AND AN ALDEHYDE-CASHEW NUT SHELL OIL POLYMER, THE SAID THREE MENTIONED POLYMERS BEING UTILIZED IN AN ORGANIC SOLVENT SOLUBLE STATE.
References Cited (Backward Citations)
US2399804A
Cited
US2512697A
Cited
US2401015A
Cited
US2521361A
Cited
US2610162A
Cited
US2593681A
Cited
US2588993A
Cited
US2692245A
Cited
US2696447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |