Patent US3271335A successfully refreshed from Google Patents.
US3271335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of cellulosic board and novel adhesive system therefor
Assignee: Honeywell International Inc
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Filing: 1963-05-20
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Granted: 1966-09-06
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Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Logan C Bostian
- 👤 Malcolm H Heffner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:28
CPC Classifications
C; C08; C08L; C08L97/00; C08L97/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
102 words
THE METHOD FOR MANUFACTURE OF PESSURE WOOD PARTICLE BOARD WHICH COMPRISES FORMING STOCK OF WATER-MOISTENED WOOD PARTICLES INTIMATELY MIXED WITH ABOUT 4 TO 20 PERCENT BY DRY WEIGHT OF THE WOOD PARTICLES OF BOND ING MATERIAL COMPRISING THE COMBINATION OF: (A) ABOUT 10-60 PERCENT OF A CHLORINATED LOW PRESSURE, LINEAR POLYETHYLENE RESIN CONTAINING ABOUT 25-65 PERCENT BY WEIGHT CHLORINE, AND (B) ABOUT 40-90 PERCENT OF A WATER-SOLUBLE FORMALDEHYDE RESIN SELECTED FROM THE GROUP CONSISTING OF UREA-FORMALDEHYDE AND PHENOL-FORMALDEHYDE, AND THEREAFTER COMPRISING SAID STOCK AND HEATING TO AT LEAST PARTIALLY CURE SAID FORMALDEHYDE RESIN AND FORM SAID STOCK INTO PRESS WOOD PARTICLE BOARD.
Claim 2
Independent Claim
102 words
THE METHOD FOR MANUFACTURE OF PESSURE WOOD PARTICLE BOARD WHICH COMPRISES FORMING STOCK OF WATER-MOISTENED WOOD PARTICLES INTIMATELY MIXED WITH ABOUT 4 TO 20 PERCENT BY DRY WEIGHT OF THE WOOD PARTICLES OF BOND ING MATERIAL COMPRISING THE COMBINATION OF: (A) ABOUT 10-60 PERCENT OF A CHLORINATED LOW PRESSURE, LINEAR POLYETHYLENE RESIN CONTAINING ABOUT 25-65 PERCENT BY WEIGHT CHLORINE, AND (B) ABOUT 40-90 PERCENT OF A WATER-SOLUBLE FORMALDEHYDE RESIN SELECTED FROM THE GROUP CONSISTING OF UREA-FORMALDEHYDE AND PHENOL-FORMALDEHYDE, AND THEREAFTER COMPRISING SAID STOCK AND HEATING TO AT LEAST PARTIALLY CURE SAID FORMALDEHYDE RESIN AND FORM SAID STOCK INTO PRESS WOOD PARTICLE BOARD.
Claim 3
Independent Claim
101 words
THE METHOD FOR MANUFACTURE OF PRESS WOOD PARTICLES BOARD WHICH COMPRISES FORMING STOCK OF WATER-MOISTENED WOOD PARTICLES INTIMATELY MIXED WITH ABOUT 4 TO 20 PERCENT BY DRY WEIGHT OF THE WOOD PARTICLES OF BONDING MATERIAL COMPRISING THE COMBINATION OF: (A) ABOUT 10-660 PERCENT OF AN OXIDATION CHLORINATED LOW PRESSURE, LINEAR POLYETHYLENE RESIN CONTAINING ABOUT 25-65 PERCENT BY WEIGHT CHLORINE, AND (B) ABOUT 40-90 PERCENT OF A WATER SOLUBLE FORMALDEHYDE RESIN SELECTED FROM THE GROUP CONSISTING OF UREA-FORMALDEHYDE AND PHENOL-FORMALDEHYDE, AND THEREAFTER COMPRISSING SAID STOCK AT ELEVATED TEMPERATURE BETWEEN ABOUT 150*C. TO 250*C. TO FORM SAID STOCK INTO RESSED WOOD PARTICLE BOARD.
Claim 4
Independent Claim
101 words
THE METHOD FOR MANUFACTURE OF PRESS WOOD PARTICLES BOARD WHICH COMPRISES FORMING STOCK OF WATER-MOISTENED WOOD PARTICLES INTIMATELY MIXED WITH ABOUT 4 TO 20 PERCENT BY DRY WEIGHT OF THE WOOD PARTICLES OF BONDING MATERIAL COMPRISING THE COMBINATION OF: (A) ABOUT 10-660 PERCENT OF AN OXIDATION CHLORINATED LOW PRESSURE, LINEAR POLYETHYLENE RESIN CONTAINING ABOUT 25-65 PERCENT BY WEIGHT CHLORINE, AND (B) ABOUT 40-90 PERCENT OF A WATER SOLUBLE FORMALDEHYDE RESIN SELECTED FROM THE GROUP CONSISTING OF UREA-FORMALDEHYDE AND PHENOL-FORMALDEHYDE, AND THEREAFTER COMPRISSING SAID STOCK AT ELEVATED TEMPERATURE BETWEEN ABOUT 150*C. TO 250*C. TO FORM SAID STOCK INTO RESSED WOOD PARTICLE BOARD.
References Cited (Backward Citations)
US3023136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |