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US3054705A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydroxyethylcellulose pellets and process

Assignee: Rayonier Inc
•
Filing: 1960-11-07
•
Granted: 1962-09-18
•
Expires: 1980-11-07
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Abstract

No abstract record available.

Inventors

  • 👤 Mitchell Reid Logan
  • 👤 Delmont K Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 02:20
CPC Classifications
C; C08; C08L; C08L1/00; C08L1/08; C08L1/26; C08L1/28; C08L1/284; B; B29; B29B; B29B9/00; C08B; C08B11/00; C08B11/02; C08B11/04; C08B11/08; C08B11/20; Y; Y10; Y10S; Y10S428/00; Y10S428/903; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965; Y10T428/298

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 70 words
AN ALKALI SOLUBLE HYDROXYETHYLCELLULOSE PELLET PRODUCT FORMED OF HYDROXYETHYLCELLULOSE FIBROUS CRUMB HAVING FROM 2% TO 8% OF ETHYLENE OXDIE SUBSTITUTION AND COMPRESSED TO A BULK DENSITY WHICH VARIES FROM THE HIGH RANGE OF FROM 30 TO 35 WHEN THE MOISTURE CONTENT IS 40% TO THE LOW RANGE OF FROM 20 TO 25 WHEN THE MOISTURE CONTENT IS 58%, SAID PELLETS BEING FREE OF SURFACE GLAZING AND READILY DISPERSIBLE IN WATER
Claim 2
Dependent Claim 70 words
AN ALKALI SOLUBLE HYDROXYETHYLCELLULOSE PELLET PRODUCT FORMED OF HYDROXYETHYLCELLULOSE FIBROUS CRUMB HAVING FROM 2% TO 8% OF ETHYLENE OXDIE SUBSTITUTION AND COMPRESSED TO A BULK DENSITY WHICH VARIES FROM THE HIGH RANGE OF FROM 30 TO 35 WHEN THE MOISTURE CONTENT IS 40% TO THE LOW RANGE OF FROM 20 TO 25 WHEN THE MOISTURE CONTENT IS 58%, SAID PELLETS BEING FREE OF SURFACE GLAZING AND READILY DISPERSIBLE IN WATER
Claim 3
Dependent Claim 29 words
AN HYDROXYETHYLCELLULOSE PELLET PRODUCT ACCORDING TO CLAIM 1 IN WHICH THE PELLETS ARE ROD-LIKE EXTRUSIONS HAVING DIAMETERS VARYING FROM 1/8 TO 3/8 INCH AND LENGHT OF ABOUT 1/2-1 INCH.

References Cited (Backward Citations)

US2168020A Cited
US2508112A Cited
US2594894A Cited
US2814618A Cited
US2875473A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-09-17 1966-03-19 1966-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-09-17 1970-03-19 1970-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-09-17 1974-03-19 1974-09-18 $7700.00 Window Closed / Lapsed

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