Patent US3334065A successfully refreshed from Google Patents.
US3334065A
Expired / Lapsed
US
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Organopolysiloxane bead forming process and products
Assignee: OI Glass Inc
•
Filing: 1963-05-06
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Granted: 1967-08-01
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Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Harlan L Lewis
- 👤 Robert E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:06
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/24; C08J3/26; C08G; C08G77/00; C08G77/04; C08G77/06; C08J2383/00; C08J2383/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
41 words
IN A METHOD OF FORMING SUBSTANTIALLY SPHERICAL BEADS OF AN ORGANOPOLYSILOXANE HAVING ALKYLENE CROSSLINKAGES FROM A LIQUID, HIGHLY CONDENSED, SILOXANE PARTIAL CONDENSATION PRODUCT WHICH IS PREPARED BY (I) HEATING A MIXTURE OF (A) A SILANE MONOMER REPRESENTED BY THE GENERAL FORMULA
Claim 2
Dependent Claim
41 words
IN A METHOD OF FORMING SUBSTANTIALLY SPHERICAL BEADS OF AN ORGANOPOLYSILOXANE HAVING ALKYLENE CROSSLINKAGES FROM A LIQUID, HIGHLY CONDENSED, SILOXANE PARTIAL CONDENSATION PRODUCT WHICH IS PREPARED BY (I) HEATING A MIXTURE OF (A) A SILANE MONOMER REPRESENTED BY THE GENERAL FORMULA
Claim 3
Dependent Claim
38 words
A METHOD AS DEFINED IN CLAIM 1 IN WHICH THE SILANE MONOMER IS AN ALKENYL TRIALKOXYSILANE IN WHICH THE ALKENYL RADICAL CONTAINS FROM 2 TO 5 CARBON ATOMS AND THE ALKOXY RADICAL CONTAINS 1 TO 4 CARBON ATOMS.
Claim 4
Dependent Claim
25 words
THE SUBSTANTIALLY SPHERICAL BADS OF AN ORGANOPOLYSILOXANE HAVING ALKYLENE CROSS-LINKAGES THAT RESULT FROM THE IMPROVEMENT DEFINED IN CLAIM 2 IN THE METHOD THEREIN SET FORTH.
References Cited (Backward Citations)
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Cited
US2486162A
Cited
US2450594A
Cited
US2777869A
Cited
US2714099A
Cited
US3183205A
Cited
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |