Patent US3017384A successfully refreshed from Google Patents.
US3017384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organopolysiloxane fibers
Assignee: General Electric Co
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Filing: 1960-01-18
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Granted: 1962-01-16
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Expires: 1980-01-18
Abstract
No abstract record available.
Inventors
- 👤 Frank J Modic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:11
CPC Classifications
C; C08; C08G; C08G77/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
FIBERS PRODUCED BY DRAWING THE SILOXANE PRODUCT OF INTERCONDENSATION OF A MIXTURE OF INGREDIENTS COMPRISING (1) FROM 69 TO 97 PARTS BY WEIGHT OF AN ORGANOPOLYSILOXANE COHYDROLYSIS PRODUCT OF A LOWER ALKYL HYDROLYZABLE SILANE HAVING A RATIO OF THREE LOWER ALKYL RADICALS PER SILICON ATOM ATTACHED TO SILICON THROUGH CARBON-SILICON LINKAGES AND A LOWER ALKYL SILICATE WHERE THE SAID LOWER ALKYL HYDROLYZABLE SILANE AND THE SAID LOWER ALKYL SILICATE ARE COHYDROLYZED IN THE RATIO OF FROM ABOUT 0.33 TO 0.55 MOLE OF HYDROLYZABLE SILANE PER MOLE OF SILICATE AND (2) FROM 3 TO 31 PARTS BY WEIGHT OF A LINEAR HIGH VISCOSITY ORGANOPOLYSILOXANE FLUID HAIVING TERMINAL SILICON-BONDED HYDROXY GROUPS AND HAVING A RATIO OF ABOUT 2 ORGANIC GROUPS PER SILICON ATOM, THE ORGANIC GROUPS OF SAID FLUID BEING ATTACHED TO SILICON THROUGH SILICON-CARBON LINKAGES AND BEING SELECTED FROM THE CLASS CONSISTING OF ALKYL RADICALS, ARYL RADICALS, ALKARYL RADICALS, ARALKYL RADICALS, HALOARYL RADICALS, ALKENYL RADICALS, AND MIXTURES THEREOF, SAID FLUID HAVING A VISCOSITY OF FROM ABOUT 200,000 TO 2,000,000 CENTIPOISES.
Claim 2
Dependent Claim
169 words
FIBERS PRODUCED BY DRAWING THE SILOXANE PRODUCT OF INTERCONDENSATION OF A MIXTURE OF INGREDIENTS COMPRISING (1) FROM 69 TO 97 PARTS BY WEIGHT OF AN ORGANOPOLYSILOXANE COHYDROLYSIS PRODUCT OF A LOWER ALKYL HYDROLYZABLE SILANE HAVING A RATIO OF THREE LOWER ALKYL RADICALS PER SILICON ATOM ATTACHED TO SILICON THROUGH CARBON-SILICON LINKAGES AND A LOWER ALKYL SILICATE WHERE THE SAID LOWER ALKYL HYDROLYZABLE SILANE AND THE SAID LOWER ALKYL SILICATE ARE COHYDROLYZED IN THE RATIO OF FROM ABOUT 0.33 TO 0.55 MOLE OF HYDROLYZABLE SILANE PER MOLE OF SILICATE AND (2) FROM 3 TO 31 PARTS BY WEIGHT OF A LINEAR HIGH VISCOSITY ORGANOPOLYSILOXANE FLUID HAIVING TERMINAL SILICON-BONDED HYDROXY GROUPS AND HAVING A RATIO OF ABOUT 2 ORGANIC GROUPS PER SILICON ATOM, THE ORGANIC GROUPS OF SAID FLUID BEING ATTACHED TO SILICON THROUGH SILICON-CARBON LINKAGES AND BEING SELECTED FROM THE CLASS CONSISTING OF ALKYL RADICALS, ARYL RADICALS, ALKARYL RADICALS, ARALKYL RADICALS, HALOARYL RADICALS, ALKENYL RADICALS, AND MIXTURES THEREOF, SAID FLUID HAVING A VISCOSITY OF FROM ABOUT 200,000 TO 2,000,000 CENTIPOISES.
References Cited (Backward Citations)
US2814601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |