US2522776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of rendering synthetic rubber tacky
Assignee: GAF Chemicals Corp
•
Filing: 1946-10-11
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Granted: 1950-09-19
•
Expires: 1966-10-11
Abstract
No abstract record available.
Inventors
- 👤 Warren F Busse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:04
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
72 words
THE PROCESS OF PLASTICIZING AND TACKIFYING A SYNTHETIC RUBBER SELECTED FROM THE CLASS CONSISTING OF CHLOROPRENE, POLYISOBUTYLENE, POLYMERIZED BUTADIENE AND COPOLYMERS OF BUTADIENE WITH A MONOMER SELECTED FROM THE CLASS CONSISTOF STYRENE, ACRYLIC NITRILE, ISOBUTYLENE, METHYL ACRYLATE, METHACRYL NITRILE AND METHYL METHACRYLATE, WHICH COMPRISES MIXING THE SAME WITH FROM 2 TO 20% BY WEIGHT OF THE SYNTHETIC RUBBER OF A SULFONE SELECTED FROM THE CLASS CONSISTING OF DIARYL SULFONES, AND ARYLALKYL SULFONES.
Claim 2
Dependent Claim
72 words
THE PROCESS OF PLASTICIZING AND TACKIFYING A SYNTHETIC RUBBER SELECTED FROM THE CLASS CONSISTING OF CHLOROPRENE, POLYISOBUTYLENE, POLYMERIZED BUTADIENE AND COPOLYMERS OF BUTADIENE WITH A MONOMER SELECTED FROM THE CLASS CONSISTOF STYRENE, ACRYLIC NITRILE, ISOBUTYLENE, METHYL ACRYLATE, METHACRYL NITRILE AND METHYL METHACRYLATE, WHICH COMPRISES MIXING THE SAME WITH FROM 2 TO 20% BY WEIGHT OF THE SYNTHETIC RUBBER OF A SULFONE SELECTED FROM THE CLASS CONSISTING OF DIARYL SULFONES, AND ARYLALKYL SULFONES.
Claim 3
Dependent Claim
106 words
THE PROCESS OF FABRICATING ARTICLES OF SYNTHETIC RUBBER SELECTED FROM THE CLASS CONSISTING OF CHLOROPRENE, POLYISOBUTYLENE, POLYMERIZED BUTADIENE AND COPOLYMERS OF BUTADIENE WITH A MONOMER OF THE CLASS CONSISTING OF STYRENE, ACRYLIC NITRILE, ISOBUTYLENE, METHYL ACRYLATE, METHACRYL NITRILE AND METHYL METHACRYLATE WHICH COMPRISES MOISTENING THE ADJACENT SURFACES OF UNCURED PLIES OF SUCH RUBBER WITH A CEMENT CONTAINING AN ORGANIC SOLUTION OF A RUBBER, A SULFONE SELECTED FROM THE CLASS CONSISTING OF DIARYL SULFONES AND ARYLALKYL SULFONES AND THE USUAL VULCANIZING INGREDIENTS COMPRISING ZINC OXIDE, CARBON BLACK, SULFUR, AND A VULCANIZATION ACCELERATOR, PRESSING THE SURFACES INTO INTIMATE CONTACT AND CURING THE PLIED-UP ARTICLE TO A COHERENT UNIT.
Claim 4
Dependent Claim
106 words
THE PROCESS OF FABRICATING ARTICLES OF SYNTHETIC RUBBER SELECTED FROM THE CLASS CONSISTING OF CHLOROPRENE, POLYISOBUTYLENE, POLYMERIZED BUTADIENE AND COPOLYMERS OF BUTADIENE WITH A MONOMER OF THE CLASS CONSISTING OF STYRENE, ACRYLIC NITRILE, ISOBUTYLENE, METHYL ACRYLATE, METHACRYL NITRILE AND METHYL METHACRYLATE WHICH COMPRISES MOISTENING THE ADJACENT SURFACES OF UNCURED PLIES OF SUCH RUBBER WITH A CEMENT CONTAINING AN ORGANIC SOLUTION OF A RUBBER, A SULFONE SELECTED FROM THE CLASS CONSISTING OF DIARYL SULFONES AND ARYLALKYL SULFONES AND THE USUAL VULCANIZING INGREDIENTS COMPRISING ZINC OXIDE, CARBON BLACK, SULFUR, AND A VULCANIZATION ACCELERATOR, PRESSING THE SURFACES INTO INTIMATE CONTACT AND CURING THE PLIED-UP ARTICLE TO A COHERENT UNIT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |