C01B25/321 - CPC Classification Index

ClassID:

84851 ⎘

C01B25/321 - CPC Classification

Classification description:

Phosphorus; Compounds thereof; Oxyacids of phosphorus; Salts thereof; Phosphates; Phosphates of magnesium, calcium, strontium, or barium Methods for converting an alkaline earth metal ortho-phosphate into another ortho-phosphate

Recent Application in this class:

20260109602

2026-04-23

METHOD TO MAKE PHOSPHORIC ACID AND AMMONIUM PHOSPHATES FROM PHOSPHATE MINERAL

20250263298

2025-08-21

PHOSPHATE-CONTAINING ANTI-CORROSIVE PIGMENT

20250114281

2025-04-10

APATITE FOR FILLER AND FILLER COMPOSITION COMPRISING SAME

20210292169

2021-09-23

METHOD TO MAKE PHOSPHORIC ACID AND AMMONIUM PHOSPHATES FROM PHOSPHATE MINERALS

20210122635

2021-04-29

METHOD OF CONSTRUCTS FABRICATION FROM CALCIUM PHOSPHATES

20150152573

2015-06-04

Method for producing porous calcium phosphate body

20150118495

2015-04-30

Strontium phosphate microparticle for radiological imaging and therapy

20150017442

2015-01-15

Apatite crystal

20090087369

2009-04-02

FLUOROAPATITE DRIED PARTICLES AND ADSORPTION APPARATUS

#10

19080857

2025-11-18

Two-step method to produce monocalcium phosphates from lime softening water plant residuals

#11

17670364

2023-01-24

Method for producing a calcium phosphate salt