A laundry care or dish care composition can include a poly alpha-1,6-glucan derivative, wherein the poly alpha-1,6-glucan derivative includes: (i) a poly alpha-1,6-glucan backbone of glucose monomer units, wherein greater than or equal to 40% of the glucose monomer units are linked via alpha-1,6 glycosidic linkages, and wherein from 0% to less than 30% of the glucose monomer units are linked via alpha-1,3 glycosidic linkages, and optionally at least 5% of the backbone glucose monomer units have branches via alpha-1,2 and/or alpha-1,3 glycosidic linkages; and (ii) at least one organic group linked to the poly alpha-1,6-glucan backbone through a

##STR00001##

linkage moiety;
wherein, the poly alpha-1,6-glucan backbone has a weight average degree of polymerization of at least 5; and
wherein, the poly alpha-1,6-glucan derivative has a degree of substitution of

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linkage moiety of from 0.20 to 1.00.

A laundry care or dish care composition can include a poly alpha-1,6-glucan ester compound, where the poly alpha-1,6-glucan ester compound includes: (i) a poly alpha-1,6-glucan backbone wherein 40% or more of the glucose monomer units are linked via alpha-1,6-glycosidic linkages; and from 0 to 50% glucose units of the poly alpha-1,6 glucan backbone further contains glucose branching moiety linked via alpha-1,2- or alpha-1,3-glycosidic linkages; and (ii) one or more ester groups selected from: (a) an aryl ester group; (b) a first acyl group comprising —CO—R″, wherein R″ comprises a chain of 1 to 24 carbon atoms, and (c) a second acyl group comprising —CO—Cx-COOH, wherein the -Cx- portion of the second acyl group comprises a chain of 2 to 24 carbon atoms,
wherein the poly alpha-1,6-glucan ester compound has a degree of polymerization (DPn) in the range of 5 to 1400, and
wherein the degree of substitution of ester groups is from about 0.001 to about 1.50.

An enzymatically produced α-glucan oligomer/polymer compositions is provided. The enzymatically produced α-glucan oligomer/polymers can be derivatized into α-glucan ether compounds. The α-glucan oligomers/polymers and the corresponding α-glucan ethers are cellulose and/or protease resistant, making them suitable for use in fabric care and laundry care applications. Methods for the production and use of the present compositions are also provided.

Compositions are disclosed herein comprising one or more crosslinked dextrans or crosslinked dextran-poly alpha-1,3-glucan graft copolymers. Further disclosed are processes for preparing such crosslinked materials, as well as their use in absorption applications.

Compositions are disclosed herein comprising a graft copolymer having (i) a backbone comprising dextran with a molecular weight of at least about 100000 Daltons, and poly alpha-1,3-glucan side chains comprising at least about 95% alpha-1,3-glucosidic linkages. Further disclosed are reactions for producing such graft copolymers, as well as their use in absorbent materials.

The disclosure generally relates to poly alpha-1,3-glucan compositions and articles containing them. In particular interest is comprising poly alpha-1,3-glucan ester derivatives. The poly alpha-1,3-glucan derivatives are useful in thermoprocesses and in particular, injection molding processes.

A laundry care or dish care composition can include a poly alpha-1,6-glucan derivative, wherein the poly alpha-1,6-glucan derivative includes: (i) a poly alpha-1,6-glucan backbone of glucose monomer units, wherein greater than or equal to 40% of the glucose monomer units are linked via alpha-1,6 glycosidic linkages, and optionally at least 5% of the backbone glucose monomer units have branches via alpha-1,2 and/or alpha-1,3 glycosidic linkages; and (ii) at least one hydrophobic organic group linked to the poly alpha-1,6-glucan backbone through an ether (—O—) linkage moiety; wherein, the poly alpha-1,6-glucan backbone has a weight average degree of polymerization of at least 5; wherein, the poly alpha-1,6-glucan derivative has a degree of substitution of ether linkage moiety of from 0.20 to 1.00; wherein the poly alpha-1,6-glucan derivative is substantially free from hydrophilic substitution.

Fibrids comprising poly alpha-1,3-glucan or surface-modified poly alpha-1,3-glucan were produced and characterized. Applications and products for using these fibrids were also developed, such as in emulsification, viscosity modification, and paper. Examples of surface-modified poly alpha-1,3-glucan fibrids include those with a positive surface charge.

Compositions are disclosed herein comprising a graft copolymer that comprises: (i) a backbone comprising dextran that has been modified with about 1%-25% alpha-1,2 branches, and (ii) one or more alpha-1,3-glucan side chains comprising at least about 50% alpha-1,3 glycosidic linkages. Further disclosed are reactions for producing such graft copolymers, as well as their use in derivatives, films and various other applications.

The present invention relates to a novel stable colloidal polysaccharide suspension containing α(1.fwdarw.3)-glucan, a cost-effective method for its preparation, and possible uses of these polysaccharide suspensions.