D21H17/18 - CPC Classification Index

ClassID:

126883 ⎘

D21H17/18 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution; Non-macromolecular organic compounds containing elements other than carbon and hydrogen only forming new compounds , e.g. within the pulp or paper, by chemical reaction with itself, or other added substances, e.g. by grafting on the fibres

Sub-classes:

D21H17/19 » by reactions only involving carbon-to-carbon unsaturated bonds 5

Recent Application in this class:

20250043514

METHOD FOR PRODUCING INSULATION PRODUCTS BASED ON MINERAL FIBRES OR ORGANIC FIBRES OF NATURAL ORIGIN

20240391132

METHOD FOR STABILISATION, HYDROPHOBATION AND ENHANCED DURABILITY TREATMENT OF RENEWABLE LIGNO-CELLULOSIC MATERIALS AND A RESULTING BIO-BASED PRODUCT

20240271366

Composite Body

20230265613

PROCESS FOR ACYLATION OF A HYDROXYLATED SOLID MATERIAL

20230243105

WATER-RESISTANT FIBROUS MATERIAL AND METHOD FOR MANUFACTURING IT

20230127264

ABRASIVE BACKING AND METHOD OF MAKING SAME

20230046635

WATER-RESISTANT MULTILAYERED CELLULOSE-BASED SUBSTRATE

20220064859

MODIFIED FIBER-BASED MATERIALS AND METHODS OF MAKING THE SAME

20170306565

Composition for sizing paper

20160097161

Method of increasing paper strength

20140182797

Method for producing modified cellulose

20130330751

Sample preservation method and sample application substrate

20120107608

Decorative laminate and method for manufacturing same

20120043039

METHOD FOR PRODUCING MODIFIED CELLULOSE

20110300376

REINFORCEMENT OF PAPER PULP-BASED MATERIALS USING A REACTIVE ALKYD OLIGOMER CAPABLE OF FORMING A REPROCESSABLE REINFORCEMENT RESIN IN SITU

20110290150

COMPOSITION FOR SIZING PAPER

20080199666

Manufacture of an Impregnated Paper or Non-Woven