Patent US3152003A successfully refreshed from Google Patents.
US3152003A
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Assignee: STEPHEN J WILSON
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Filing: 1961-09-06
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Granted: 1964-10-06
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Expires: 1981-09-06
Abstract
No abstract record available.
Inventors
- 👤 Exchaquet Laurent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:46
CPC Classifications
B; B41; B41M; B41M7/00; B41M7/0027; D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/66; D21H17/00; D21H17/03; D21H17/05; D21H17/06; D21H23/32; D21H23/42; D21H23/50; Y; Y10; Y10S; Y10S56/00; Y10S56/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
215 words
A PROCESS FOR TREATING FIBROUS MATERIALS COMPRISING: THOROUGHLY MIXING BETWEEN ABOUT 15 TO 30 PARTS BY VOLUME OF GELATIN WITH BETWEEN 0.15 TO 0.30 PART BY VOLUME OF FINELY GROUND INDIA RUBBER; INTRODUCING THE MIXTURE INTO BETWEEN ABOUT 20,000 TO 3/,000 PARTS BY VOLUME OF WATER HEATED TO BETWEEN ABOUT 30* TO 38*C.; CAREFULLY STIRRING THE MIXTURE IN THE WATER; CONTINUING TO HEAT THE MIXTURE AND WATER AT A TEMPERATURE BETWEEN ABOUT 30* TO 38*C. UNTIL A FIRST SOLUTION IS OBTAINED; INTRODUCING INTO THE FIRST SOLUTION BETWEEN ABOUT 10.1 TO 22.3 PARTS BY VOLUME OF GLYCERINE; FOLLOWING THE INTRODUCTION OF GLYCERINE AND AFTER A DELAY OF BETWEEN ABOUT 15 TO 30 MINUTES INTRODUCING INTO THE FIRST SOLUTION A SECOND SOLUTION CONTAINING BETWEEN ABOUT 0.1 TO 0.2 PART BY VOLUME OF BENZOIC ACID; IMMERSING SAID FIBROUS MATERIAL INTO SAID FIRST SOLUTION UNTIL SATURATION OF THE MATERIAL IS ACHIEVED; THEN REMOVING SAID FIBROUS MATERIAL FROM SAID FIRST SOLUTION AND PLACING IN A POSITION TO DRIP DRY; PRIOR TO COMPLETE DRYING OF SAID FIBROUS MATERIAL APPLYING TO SAID FIBROUS MATERIAL A FIXATIVE SOLUTION CONTAINING BETWEEN ABOUT 50 TO 80 PARTS BY VOLUME OF WATER AND 20 TO 50 PARTS BY VOLUME OF FORMALDEHYDE, AND THEN APPLYING A TALC TO SAID FIBROUS MATERIAL AND LIGHTLY RUBBING AWAY EXCESS TALC.
Claim 2
Dependent Claim
215 words
A PROCESS FOR TREATING FIBROUS MATERIALS COMPRISING: THOROUGHLY MIXING BETWEEN ABOUT 15 TO 30 PARTS BY VOLUME OF GELATIN WITH BETWEEN 0.15 TO 0.30 PART BY VOLUME OF FINELY GROUND INDIA RUBBER; INTRODUCING THE MIXTURE INTO BETWEEN ABOUT 20,000 TO 3/,000 PARTS BY VOLUME OF WATER HEATED TO BETWEEN ABOUT 30* TO 38*C.; CAREFULLY STIRRING THE MIXTURE IN THE WATER; CONTINUING TO HEAT THE MIXTURE AND WATER AT A TEMPERATURE BETWEEN ABOUT 30* TO 38*C. UNTIL A FIRST SOLUTION IS OBTAINED; INTRODUCING INTO THE FIRST SOLUTION BETWEEN ABOUT 10.1 TO 22.3 PARTS BY VOLUME OF GLYCERINE; FOLLOWING THE INTRODUCTION OF GLYCERINE AND AFTER A DELAY OF BETWEEN ABOUT 15 TO 30 MINUTES INTRODUCING INTO THE FIRST SOLUTION A SECOND SOLUTION CONTAINING BETWEEN ABOUT 0.1 TO 0.2 PART BY VOLUME OF BENZOIC ACID; IMMERSING SAID FIBROUS MATERIAL INTO SAID FIRST SOLUTION UNTIL SATURATION OF THE MATERIAL IS ACHIEVED; THEN REMOVING SAID FIBROUS MATERIAL FROM SAID FIRST SOLUTION AND PLACING IN A POSITION TO DRIP DRY; PRIOR TO COMPLETE DRYING OF SAID FIBROUS MATERIAL APPLYING TO SAID FIBROUS MATERIAL A FIXATIVE SOLUTION CONTAINING BETWEEN ABOUT 50 TO 80 PARTS BY VOLUME OF WATER AND 20 TO 50 PARTS BY VOLUME OF FORMALDEHYDE, AND THEN APPLYING A TALC TO SAID FIBROUS MATERIAL AND LIGHTLY RUBBING AWAY EXCESS TALC.
References Cited (Backward Citations)
US1957369A
Cited
US2173829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |