ClassID:

47040

B27K3/12 - CPC Classification

Classification description:

Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process; Processes; Apparatus Impregnating by coating the surface of the wood with an impregnating paste

Recent Application in this class:
#1
20220098799
2022-03-31

Assembled bamboo sleeper and preparation method thereof

#2
20220081848
2022-03-17

One-step integrally-formed bamboo sleeper and preparation method thereof

#3
20210106956
2021-04-15

Production of nanoscale emulsion

#4
20200217009
2020-07-09

Liquid-state temporary reinforcing material, preparation method therefor and application thereof

#5
20200061865
2020-02-27

Fine particle size boric acid dispersion, method of use in engineered wood product manufacture, method of coating wood products and product therefrom

#6
20180027820
2018-02-01

Controlled release, wood preserving composition with low-volatile organic content for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures

#7
20170313899
2017-11-02

Aqueous coating composition and process of making the same

#8
20170135350
2017-05-18

Controlled release, wood preserving composition for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures

#9
20170120472
2017-05-04

Process and apparatus for treating lignocellulosic material

#10
20160369109
2016-12-22

Controlled release, wood preserving composition with low-volatile organic content for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures

#11
20150361275
2015-12-17

Controlled release, wood preserving composition with low-volatile organic content for treatment in-service utility poles, posts, pilings, cross-ties and other wooden structures

#12
20080193640
2008-08-14

Wood preserving composition for treatment of in-service poles, posts, piling, cross-ties and other wooded structures