US4287103A — Joint composition including starch

Claim 1

Independent Claim 64 words

A powdery composition capable of being combined with water to form a filler composition of the type used to hide the joint of adjoining wallboard panels, said filler composition being a wet coherent paste-like mass of fine-particle solids capable of being spread readily and drying to form a solid mass, said powdery compositions consisting essentially of filler, binder, bulking agent and improved starch-bodying agent.

Claim 2

Dependent Claim 64 words

A powdery composition capable of being combined with water to form a filler composition of the type used to hide the joint of adjoining wallboard panels, said filler composition being a wet coherent paste-like mass of fine-particle solids capable of being spread readily and drying to form a solid mass, said powdery compositions consisting essentially of filler, binder, bulking agent and improved starch-bodying agent.

Claim 3

Dependent Claim 84 words

A ready mix filler composition of the type used to hide the joint of adjoining wallboard panels and being a wet coherent paste-like mass of fine particle solids capable of being spread readily and drying to form a solid mass, said filler composition consisting essentially of filler, binder, bulking agent, improved starch-bodying agent and water, the proportion of water and other constituents being such that said composition has a viscosity within the range of about 350 to about 750 Brabender units at 70° F.

Claim 4

Dependent Claim 84 words

A ready mix filler composition of the type used to hide the joint of adjoining wallboard panels and being a wet coherent paste-like mass of fine particle solids capable of being spread readily and drying to form a solid mass, said filler composition consisting essentially of filler, binder, bulking agent, improved starch-bodying agent and water, the proportion of water and other constituents being such that said composition has a viscosity within the range of about 350 to about 750 Brabender units at 70° F.

Claim 5

Dependent Claim 24 words

A composition according to claim 2 wherein said viscosity is within the range of about 500 to about 600 Brabender units at 70° F.

Claim 6

Dependent Claim 51 words

A dry powdery composition for use in preparing a filler composition consisting essentially of: (A) about 50 to about 87 wt.% filler; (B) about 2 to about 10 wt.% binder; (C) about 10 to about 30 wt.% bulking agent; and (D) about 1 to about 5 wt.% of improved starch-bodying agent.

Claim 7

Dependent Claim 51 words

A dry powdery composition for use in preparing a filler composition consisting essentially of: (A) about 50 to about 87 wt.% filler; (B) about 2 to about 10 wt.% binder; (C) about 10 to about 30 wt.% bulking agent; and (D) about 1 to about 5 wt.% of improved starch-bodying agent.

Claim 8

Dependent Claim 15 words

A composition according to claim 4 including up to about 0.5 wt.% water retention agent.

Claim 9

Dependent Claim 60 words

A composition according to claim 4 consisting essentially of: (A) about 65 to about 80 wt.% of filler; (B) about 3.5 to about 5.5 wt.% of binder; (C) about 15 to about 25 wt.% of bulking agent; (D) about 1.5 to about 2.5 wt.% of improved starch-bodying agent; and (E) about 0.15 to about 0.3 wt.% of water retention agent.

Claim 10

Dependent Claim 40 words

A composition comprising: (A) about 25 to about 93 wt.% filler; (B) about 2 to about 12 wt.% binder; (C) about 5 to about 50 wt.% bulking agent; and (D) about 0.5 to about 10 wt.% of improved starch-bodying agent.

Claim 11

Dependent Claim 40 words

A composition comprising: (A) about 25 to about 93 wt.% filler; (B) about 2 to about 12 wt.% binder; (C) about 5 to about 50 wt.% bulking agent; and (D) about 0.5 to about 10 wt.% of improved starch-bodying agent.

Claim 12

Dependent Claim 43 words

A composition according to claim 7 comprising: (A) about 65 to about 90 wt.% filler; (B) about 2.5 to about 4 wt.% binder; (C) about 7 to about 25 wt.% bulking agent; and (D) about 1 to about 3.5 wt.% improved starch-bodying agent.

Claim 13

Dependent Claim 16 words

A composition according to claim 7 including about 0.1 to about 1 wt.% water retention agent.

Claim 14

Dependent Claim 16 words

A composition according to claim 8 including about 0.3 to about 0.5 wt.% water retention agent.

Claim 15

Dependent Claim 34 words

A composition according to claim 7, 8, 9 or 10 including about 0.15 to about 0.5 wt.% preservative; up to about 0.1 wt.% defoaming agent and up to about 0.2 wt.% of buffering agent.

Claim 16

Dependent Claim 87 words

A composition consisting essentially of: (A) about 73 to about 81 wt.% filler; (B) about 1.8 to about 3 wt.% starch binder; (C) about 1.5 to about 2.5 wt.% improved starch-bodying agent; (D) about 13 to about 21 wt.% bulking agent; (E) about 0.1 to about 0.4 wt.% water retention agent; (F) about 2 to about 7 wt.% anticracking agent; (G) about 0.05 to about 0.2 wt.% buffering agent; (H) about 0.1 to about 0.2 wt.% defoaming agent; and (I) about 0.05 to about 0.1 wt.% preservative.

Claim 17

Dependent Claim 87 words

A composition consisting essentially of: (A) about 73 to about 81 wt.% filler; (B) about 1.8 to about 3 wt.% starch binder; (C) about 1.5 to about 2.5 wt.% improved starch-bodying agent; (D) about 13 to about 21 wt.% bulking agent; (E) about 0.1 to about 0.4 wt.% water retention agent; (F) about 2 to about 7 wt.% anticracking agent; (G) about 0.05 to about 0.2 wt.% buffering agent; (H) about 0.1 to about 0.2 wt.% defoaming agent; and (I) about 0.05 to about 0.1 wt.% preservative.

Claim 18

Dependent Claim 88 words

A composition consisting essentially of: (A) about 75 to about 80 wt.% filler; (B) about 0.1 to about 0.2 wt.% poly(vinyl alcohol) binder; (C) about 1.5 to about 2.5 wt.% improved starch-bodying agent; (D) about 15 to about 21 wt.% bulking agent; (E) about 0.1 to about 0.4 wt.% water retention agent; (F) about 2 to about 7 wt.% anticracking agent; (G) about 0.05 to about 0.2 wt.% buffering agent; (H) about 0.1 to about 0.2 wt.% defoaming agent; and (I) about 0.05 to about 0.1 wt.% preservative.

Claim 19

Dependent Claim 88 words

A composition consisting essentially of: (A) about 75 to about 80 wt.% filler; (B) about 0.1 to about 0.2 wt.% poly(vinyl alcohol) binder; (C) about 1.5 to about 2.5 wt.% improved starch-bodying agent; (D) about 15 to about 21 wt.% bulking agent; (E) about 0.1 to about 0.4 wt.% water retention agent; (F) about 2 to about 7 wt.% anticracking agent; (G) about 0.05 to about 0.2 wt.% buffering agent; (H) about 0.1 to about 0.2 wt.% defoaming agent; and (I) about 0.05 to about 0.1 wt.% preservative.

Claim 20

Dependent Claim 73 words

A ready mix filler composition consisting essentially of: (A) about 45 to about 62.5 wt.% limestone; (B) about 1 to about 3.5 wt.% polymeric binder; (C) about 0 to about 0.5 wt.% starch binder; (D) about 0.5 to about 1 wt.% improved starch-bodying agent; (E) about 3.5 to about 7 wt.% aluminum silicate; (F) about 0.25 to about 0.3 wt.% hydroxy propyl methyl cellulose; and (G) about 32 to about 38 wt.% water.

Claim 21

Dependent Claim 73 words

A ready mix filler composition consisting essentially of: (A) about 45 to about 62.5 wt.% limestone; (B) about 1 to about 3.5 wt.% polymeric binder; (C) about 0 to about 0.5 wt.% starch binder; (D) about 0.5 to about 1 wt.% improved starch-bodying agent; (E) about 3.5 to about 7 wt.% aluminum silicate; (F) about 0.25 to about 0.3 wt.% hydroxy propyl methyl cellulose; and (G) about 32 to about 38 wt.% water.

Claim 22

Dependent Claim 75 words

A ready mix filler composition according to claim 14 including: (A) about 45 to about 62.5 wt.% gypsum; (B) about 1 to about 3 wt.% polymeric binder; (C) about 0.3 to about 0.5 wt.% starch binder; (D) about 0.6 to about 1 wt.% improved starch-bodying agent; (E) about 2.5 to about 3 wt.% aluminum silicate; (F) about 0.2 to about 0.25 wt.% hydroxy propyl methyl cellulose; and (G) about 32 to about 38 wt.% water.

Claim 23

Dependent Claim 34 words

A composition according to claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14 or 15 in which the improved starch-bodying agent includes starch sold under the trademark Gelatinized Dura-Gel.

Claim 24

Dependent Claim 34 words

A composition according to claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14 or 15 in which the improved starch-bodying agent includes starch sold under the trademark Sta-Gel 136.

Claim 25

Dependent Claim 30 words

A composition according to claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14 or 15 in which the improved starch-bodying agent includes a waxy-maize starch.

Claim 26

Dependent Claim 33 words

A composition according to claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14 or 15 in which the improved starch-bodying agent includes a starch containing virtually 100% amylopectin.

Claim 27

Dependent Claim 15 words

A composition according to claim 19 wherein said starch is a hydroxyl propylated waxy starch.

Claim 28

Dependent Claim 48 words

A composition according to claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14 or 15 in which the improved starch-bodying agent includes a hydroxyl propylated waxy starch containing 6 to 7% substitution of propylene oxide on the starch molecule and about 100% amylopectin.

Claim 29

Dependent Claim 28 words

A composition according to claim 1 including a mixture of bodying agents, and in which the improved starch-bodying agent comprises at least about 20 wt.% of the mixture.

Claim 30

Independent Claim 69 words

A method for preparing a powdery composition capable of being combined with water to form a filler composition of the type used to hide the joint of adjoining wallboard panels, said filler composition being a wet coherent paste-like mass of fine-particle solids capable of being spread readily and drying to form a solid mass, comprising forming said powdery composition by combining filler, binder, bulking agent and a waxy-maize starch.

Claim 31

Independent Claim 69 words

A method for preparing a powdery composition capable of being combined with water to form a filler composition of the type used to hide the joint of adjoining wallboard panels, said filler composition being a wet coherent paste-like mass of fine-particle solids capable of being spread readily and drying to form a solid mass, comprising forming said powdery composition by combining filler, binder, bulking agent and a waxy-maize starch.

Claim 32

Independent Claim 72 words

A method for preparing a powdery composition capable of being combined with water to form a filler composition of the type used to hide the joint of adjoining wallboard panels, said filler composition being a wet coherent paste-like mass of fine-particle solids capable of being spread readily and drying to form a solid mass, comprising forming said powdery composition by combining filler, binder, bulking agent and a starch containing virtually 100% amylopectin.

Claim 33

Independent Claim 72 words

A method for preparing a powdery composition capable of being combined with water to form a filler composition of the type used to hide the joint of adjoining wallboard panels, said filler composition being a wet coherent paste-like mass of fine-particle solids capable of being spread readily and drying to form a solid mass, comprising forming said powdery composition by combining filler, binder, bulking agent and a starch containing virtually 100% amylopectin.

Claim 34

Dependent Claim 15 words

A method according to claim 24 wherein said starch is a hydroxyl propylated waxy starch.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1984-08-31	1985-03-02	1985-09-01	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1988-08-31	1989-03-02	1989-09-01	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1992-08-31	1993-03-02	1993-09-01	$7700.00	Window Closed / Lapsed

Joint composition including starch

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag